i'd get a job, preferably a night time job
id build a lot of stuff
smoke weed, but probably no more than i do now
ski EVERY day possible
fap
guitar
HIT URBANS, having school all week and then instructing on the weekends i only hit about 3 this year on holidays and it was SOOOO agrivating not being able to. (i have no lights/generator for night time and i only have my g1 so i cant drive to them)