i would say pick up an instrument like mentioned before. its cool to just pick up the guitar and play, make up songs, its a fun way to pass the time. or if u like to draw, if u wanna redo ur room, go fo rthat haha go outside its quite an adventure out there. ur 15, if u r turning 16 soon... u can get ur lisence and then when u are bored just go out and drive to somewhere. i cant wait to do that. 14 days until my freedom. i cant wait. peace~