Often, but not always, the root cause of shoulder pain is simple overexertion lifting things that are too heavy or lifting lighter loads too often. Stop the aggravating activity for at least a few days. If your problem is work related, then if possible, talk to your boss about switching to a different activity. If the shoulder pain is exercise related, then you may be working out too aggressively or with bad form consult with a personal trainer. Excessive bed rest is not a good idea for any type of musculoskeletal injury because some movement is needed to stimulate blood flow and healing. As such, some rest is good, but complete inactivity is counterproductive. Reconsider your sleeping environment. Mattresses that are too soft or pillows that are too thick may contribute to shoulder pain. Sleeping on your back for a few days or weeks may be needed so as to not aggravate your shoulder. Shoulder joint pain (as opposed to muscle pain) frequently worsens at night while in bed. The application of ice is an effective treatment for essentially all acute injuries including shoulder strains and sprains because it constricts blood vessels (reducing blood flow) and numbs nerve fibers. Cold therapy should be applied to the most tender part of your shoulder in order to reduce the swelling and pain. Apply ice for 10-15 minutes every hour, then reduce the frequency as the pain and swelling subside in your shoulder. Compressing the ice against your shoulder with a bandage or elastic support will also help control the inflammation. Always wrap ice or frozen gel packs in a thin towel in order to prevent frostbite on your skin. Non-steroidal anti-inflammatories (NSAIDs) such as ibuprofen, naproxen or aspirin can be short-term solutions to help you deal with pain or inflammation in your shoulder they can be found in every pharmacy and grocery store. Keep in mind that these medications can be hard on your stomach, kidneys and liver, so it's best not to use them for more than 2 weeks at a stretch and to take them with food. Talk to your doctor about your medical problems you have and any medications that you take before taking these medications. Follow the instructions on the package or your doctor's instructions on dosing. Alternatively, you can try over-the-counter analgesics such as acetaminophen (Tylenol and Paracetamol) or muscle relaxants (such as cyclobenzaprine) for your shoulder pain, but never take them concurrently with NSAIDs. If your shoulder pain is primarily achy in nature and doesn't involve sharp, stabbing or shooting pain with movement or a dislocation, then likely you're experiencing a muscle strain. Mild muscle strains respond well to some light stretching because it relieves muscle tension, promotes blood flow and improves flexibility. In general, hold stretches (without bouncing) for about 30 seconds and do them 3x daily until the discomfort fades away. Trying to protect your sore shoulder by not moving it or putting it in a sling may increase the risk of adhesive capsulitis or "frozen shoulder," which is characterized by scar tissue, chronic stiffness and reduced range of motion. While standing or sitting, reach around the front of your body and grab the opposite elbow. Gently pull on the back of the elbow until you feel a stretch in the corresponding shoulder. While standing or sitting, reach behind your back towards your shoulder blade and interlock with your other hand (diagram above). Slowly pull on the hand with the sore shoulder until you feel a good stretch. If your shoulder pain is caused by overexertion (especially while on the job), you may benefit from strength-building exercises, assuming you perform them safely and correctly. When your initial pain subsides, try to introduce low-intensity, low-impact shoulder strengthening exercises to your routine. Stronger muscles such as the deltoids and rotator cuff are more able to handle the strain and exertion that can lead to shoulder pain, decreasing the likelihood that it will return. Work with a personal trainer or physical therapist to make sure you are doing the exercises correctly. Make sure your shoulder muscles are warmed up before exercising them. Taking a warm shower or applying moist heat or doing simple calisthenics before weight training is recommended because your shoulder muscles will be more pliable. Although rest, ice and over-the-counter drugs are certainly helpful for acute (sudden) shoulder injuries, chronic (long-term) shoulder pain caused by arthritis or other degenerative conditions requires a little different approach. For example, for non-inflammatory osteoarthritis of the shoulder (the wear and tear type), applying some moist heat first thing in the morning may provide pain relief, reduce stiffness and increase your mobility. As a source of moist heat, microwaved herbal bags work well and are often infused with aromatherapy (such as lavender) that has relaxing properties. Supplements such as glucosamine, chondroitin, MSM and various fish oils may help lubricate and cushion arthritic joints.
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One-sentence summary -- Rest your shoulder. Ice your shoulder. Take over-the-counter drugs. Do some light shoulder stretches. Build shoulder strength. Distinguish between acute and chronic conditions.

If you want to drink subtly, try to conceal your alcohol in other containers. Pour beer into a soda container. Mix liquor into half a bottle of soda or juice. Pour alcohol into a paper fast food restaurant cup. Pour clear liquor into a mouthwash container. Many online retailers, such as Amazon, sell flasks specifically made to help you conceal alcohol. Prices vary depending on the type of flask you get. Most flasks are hidden in clothing. They may strap under a tie or bra or can be secured up your sleeve. Other flasks are disguised as bags or purses. If you want to drink at an event that forbids alcohol, these devices could come in handy. The styrofoam, plastic, or paper coffee cups given out at coffee shops are great for concealing alcohol. Save a cup the next time you get coffee out. If the coffee cup is Styrofoam or unclear plastic, you can use it to conceal virtually any type of alcohol as the liquid will not be visible through the cup. A clear plastic cup can still be useful. Red wine looks like coffee and you can also mix a dark liquid, like soda or pomegranate juice, with a liquor of your choice. You can also simply spike your coffee. Vodka produces less smell than many types of alcohol. It is also easier to conceal as it looks like water to a causal observer. You can easily drink vodka out of a water bottle without getting caught. If you want to add alcohol to drinks, there are many ways to creatively spike a beverage that masks the odor. Consider some of these tricks. Spike your coffee. Coffee has a strong scent that covers the smell of most alcohol. Adding a dash of liquor to a cup of a coffee is unlikely to cause too much smell. Choose a peppermint flavored drink, like peppermint hot cocoa or tea. Peppermint gives off a strong scent that usually overpowers alcohol. Around the holiday season, non-alcoholic drinks made with flavors like cinnamon, nutmeg, and other strong, earthy scents are easy to spike without getting caught. Much like peppermint, these smells are hard to detect. Be aware of the manner in which you are drinking. Taking extra caution when imbibing can decrease the likelihood of getting caught. If you're using a flask to conceal alcohol, drink when others are not around. Sneak off to a private location to steal a drink. If you're hiding alcohol in something like a coffee container, drink as you normally would. Keep the container in which you're hiding alcohol away from others. If they take a sip or smell the alcohol, you'll end up getting caught. If someone asks to try your drink, make up an excuse. Claim you have a cold or flu and do not want to infect them.
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One-sentence summary --
Hide alcohol in other containers. Buy a concealed flask. Use a coffee cup to hide alcohol. Choose vodka. Hide odor by creatively spiking drinks. Drink carefully to avoid getting caught.