Descriptions can be as long or as short as they need to be to accomplish your goal, but those goals are different for each writer. Both examples above are introducing the person, but that isn't always the case. Word choice is important. It will be different depending on the person. In the above Tolkien description the pipe and the "dark-green cloth" are clues that this character is not the bad guy he might be presented as. Think about what you are trying to invoke with your description. Another example of word choice: "Rose was waiting on a bank of seats in the foyer, and for a split second Laurel saw her as one might a stranger. She was wrapped in a purple crocheted shawl that gathered at the front in a pink bow, and her wild hair, silver now, was roped in a loose plait over one shoulder. Laurel suffered a pang of almost unbearable affection when she noticed the bread tie holding her sister's plait together." This passage describes both Rose and Laurel, but gives the reader Laurel's thoughts. It shows Laurel loves her sister (and not just that, but that a certain trait of her sister's draws out that love), it shows that she is feeling removed from her family. It also paints Rose as absentminded, and feminine. She uses a bread tie for her hair, she wears a purple crocheted shawl. The chosen words evoke this description. Don't feel you have to describe every last detail of the person. You want to be specific enough to give your reader something to imagine, while still leaving much of that imagining up to your reader. Hemingway's short description in this example works to both describe Catherine, and the narrator's interest in her: "She had wonderfully beautiful hair and I would lie sometimes and watch her twisting it up in the light that came in the open door and it shone even in the night as water shines sometimes just before it is really daylight." A good rule of thumb for writing descriptions is using no more than three of the five senses. So if you've evoked sight and sound and smell, it's not necessary to bring in touch and taste. This is only a guideline, of course, but it's something to consider. While telling isn't always bad, showing will help bring the description to life. In the examples above, Tolkien doesn't say "Aragorn was dirty and didn't want to be part of the crowd." He draws attention to the wear and tear of his clothes, the mud on his boots, and the manner in which he is sitting in a corner with his hood over his face. An example of telling: "Margaret had red hair and was very tall. She didn't like it and wished people wouldn't notice her, so she was buying hair dye." The problem here is that this description gives everything away, without evoking anything. It also doesn't vary its sentences. They both have a similar rhythm. Now the example of showing: "Margaret towered over most people. She refused to wear high heels, and when she walked she hunched her shoulders and ducked her head. Her shock of flame-red hair didn't help. Now she stared at the dye options on the shelf in front of her, biting her cuticle." What happens here is that the reader feels Margaret's discomfort with herself, without it being spelled out (apologies for the pun). Active words are used: "hunching," "ducked," "towered," "stared," "biting." Her actions are described. She won't wear high heels because she hates being noticed, which both her height and her hair made impossible. The description gives the reader an idea of her appearance, as well as her personality.
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One-sentence summary -- Decide how you are using your description. Extensive detail doesn't mean good. Show don't tell.

Clonidine a non-opiate, non-addictive blood pressure medication not to be confused with the addictive anti-anxiety medication Klonopin. Clonidine inhibits your body's sympathetic response and helps decrease the sweating, chills, anxiety and restlessness that you may feel during withdrawal. Side effects include dry mouth, sleepiness and, for some, insomnia. Your blood pressure will drop, so if you already have low blood pressure or fainting spells, you should definitely talk to your doctor. Also, be careful when you stand up quickly. Many people who take blood pressure medication "see spots" and feel dizzy when they suddenly change positions. Clonidine does have the potential for physical addiction even though it doesn't remotely provide the euphoria you can get from narcotics. Try to maintain a low dosage: Take between 0.1 to 0.3 mg of Clonidine, 2 to 3 times daily. Suboxone is a long-lasting partial opioid agonist that blocks withdrawal symptoms. "'Advantages':'"., Suboxone is available by prescription, which means that you won't have to go to the methadone clinic., You may find it's easier to kick than methadone, and if you quit using other drugs, suboxone can help you feel normal pretty quickly. You can take it once in the morning, and you'll feel fine until the next morning. Disadvantages: You will have withdrawals from suboxone, although for some people they will be less severe and of shorter duration. Suboxone can also be expensive as doctors must have special training to prescribe it, and they can only have so many patients who take suboxone at one time. Also, no generic version of suboxone is available in the US Buprenorphine has both agonist, and antagonistic properties. Because of the antagonistic properties, as opposed to a pure agonist like methadone, approximately 10 percent of patients do not respond well to this medication. Wait until the half-life of your opioid of choice has passed before you take suboxone. If you do not, you will have withdrawal symptoms which can be more severe and of much longer duration than opiate withdrawal, so be very careful with these. These drugs can have physically addictive properties, and they can cause you to experience withdrawal. Stick to small doses. Five mg of diazepam 2 to 3 times daily, or 0.5 to 1.0 mg of clonazepam 2 to 3 times daily, will get the job done. Don't take them long-term, and taper them off when you decide to stop using them. If you abuse Valium or Klonopin and don't properly detox, you could experience symptoms including tonic clonic seizures and even death. Share your narcotic addiction with your doctor You may also consider using kratom to take the edge off of your symptoms, though be very cautious since kratom has been known to cause addiction as well. Order kratom online in the US or Europe. It's illegal in Australia. Avoid alcohol. Alcohol is a depressant, and while the buzz may distract you for a while, alcohol can cause your mood to plummet and can interfere with your ability to sleep.
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One-sentence summary --
Ask your doctor about Clonidine. Try Subutex/Suboxone (buprenorphine) if you've been on narcotics for a long time. Take diazepam (Valium) or clonazepam (Klonopin). Think about using some lower-level controlled substances if they're legal in your country or state.