Before or after school, carve out some time for exercise. It doesn't matter if you lift weights, walk around your neighborhood, swim, or jog on a treadmill; you'll lose weight if you stay moving for about 60 minutes each day and burn more calories than you consume. Small spurts of exercise quickly add up. Try signing up for a 30-minute gym class at school, doing 10 minutes of basic stretches and aerobic exercises as soon as you get home, and going for a 20-minute run with your family dog in the evening. Rather than playing soccer video games with your friends after school, suggest that you all go out to the park and kick around a soccer ball. Sports teams, group fitness classes, and clubs can make exercise more fun and will hold you accountable. Find an activity you enjoy and sign up for a group through your school or local community. Consider a competitive sporting team, an intramural sports team, or a group that just plays for fun. Don't be discouraged if the first few sessions of your fitness class are really tough. You'll build strength and stamina as the weeks go by. Use a phone app or fitness tracker to calculate your daily step count. Start with a relatively low step goal, and each week increase it so you walk a little further. At home, work, and school, take the stairs rather than the elevator or escalator. When you're watching TV or studying for an exam, do this standing up. Or turn on your favorite song and dance around your room for a few minutes. Walk at a brisk pace but slow down if you start getting out of breath then slow down. Instead of slouching, stand or sit up straight to engage your core muscles. Standing will burn more calories than sitting. Rather than taking the bus or catching a ride to school, try bicycling to and from school if you live nearby.
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One-sentence summary -- Complete 1 hour of moderate physical activity each day. Join a sports team, gym, or fitness club to develop a fitness routine. Walk, stand, and take the stairs when you can.

Pick a vertical marker like a tree or a standing person directly past the horizontal point where you want the ball the land. It's better to use a vertical marker than a horizontal one. Once you find your marker, align your body to set up to that target. You can draw an invisible line from the marker to a spot a few yards in front of the golf ball to help you align yourself. If you have a tendency to bend your left arm early, that will hinder distance; keep your "V" as long as possible before it bends at the finish of your swing and you will find yourself getting much more distance. For a lot of golfers, it's easy to pick some sort of marker that's inline with where you want the place the ball on the fairway. You'll know roughly how far you're going to hit the ball, so pick a spot and then look for a tree or something past your target to aim for, as an object is easier to aim for than a spot on the ground. Because a golf swing has both a horizontal and vertical feature, the center of your swing will be a couple inches on the target side of your sternum. Position the ball inline with the heel of your front foot, or where the pocket or logo is on your shirt (if you're a righty). Avoid positioning the ball toward the front of your stance, as this can make it more difficult to make good contact and hit the ball before the ground. Positioning the ball toward the front of your stance can also exacerbate problems with slicing or fading. Position your feet about 1.5ft (0.46m) apart if you're using an iron or 2ft (0.61m) apart for a driver. You want your arms to be straight and form a "V" shape when you set up your stance. For a drive, think of your body as making a reverse "K". Grip the club so the front edge of it is flat on the ground. Put your hands 2.5-3 hand widths in front of the inside of your front thigh. With your arms in place for your swing you should stand about 8 inches (20cm) from the butt of your grip at address. Even though you may think that gripping harder and swinging harder produces better results, that is isn't the case. A grip that's too hard can hinder your ability to achieve consistent distance. Instructing legend, Phil Galvano first introduced the idea that you will find that the great players indicated that the grip pressure should resemble holding a bird without crushing it, but also not letting it go. The tighter you hold the club, the less it will release throughout the ball. Your hands should be free of tension. Try different grip strengths at the range and watch for the results. Notice when your club doesn't connect well because you grip too loose, or you skull the ball because you're gripping too tightly. If you're a righty, you want to grip the club with your left hand where your fingers meet the palm of your hand. If you're a lefty, do the same with your right hand. Curl your fingers around the club and then without moving the grip, roll your hand over so your thumb is on the on the top of the grip. Do the same with your other hand (right hand if you're a righty, and left if you're a lefty). Position the club between your fingers and palm, and place your pinky on the knuckle between your index and middle fingers. You can also interlock them if you prefer. Roll your thumb over the thumb on your other hand.
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One-sentence summary -- Align your body with a vertical marker in the distance. Set your feet in the proper position. Adjust your arms. Use the proper grip pressure.

On the top right corner, tap the down arrow to open the app's menu. Tap on "Communities" and select any community you've already joined. Near the top right corner, tap the person icon button on the Community's home page then touch Choose people to share with and type the name of the contact you want to invite. You can touch the circles or people you want to invite, or in the top left corner, you can touch the magnifying glass to search for a person or circle. You can also add an email address from your contacts. Type in your message on the text box. Once you're through, In the bottom right corner of the post, touch the send icon.
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One-sentence summary --
Open the app's menu. Select a community you want to invite your friend to. Invite your friends. Send your invitation.