@anonymousforcertainreasons2 - I understand that you get worried when you watch your friends grow past you. You mentioned that bodies are different and you are right. It sounds as if you have not hit your growth spurt yet. When your body enters puberty depends on your hormones and genetics. If you have a family doctor or pediatrician the doctor could easily see what stage of puberty you are in by examining you. I guess many of your friends may appear more like adult males than a teenage boy. They are probably done growing- and you have not started. In the end you will likely be taller than them.
Looking at your father and grandfather will give you an idea of where you will end up.