Be yourself....Don't take other people comments seriously, be grateful about who you are and what a wonderful gift you have. Drinking coffee would not make any difference to you, unless you accept who you are and take advantage of how tall you can be, by playing in your high school basketball team or other sports. You can become a much better person if you believe in yourself. You can find new friends that understand who you really are and accept you for who you are. Finding ways to stop growing is not the answer, because the reason why you'll taller is because you inherited it from your parents, or in some cases the kinds of food you eat. But if you the know truth and accept that you are going to be around 6' someday you will be proud of yourself. Basketball players are all 6'-8' and they faces those challenges that you are facing now as a kid, and they all get through it and they become the most richest people you could ever know. So think of wisely, remember you can shape your own destiny and its all about decisions making.