Help me plz guys only plz 16-21?

help me i don't know what do well i just trun 16 and i hook up with my homeboy who is 21 and now everytime i see him he wan'ts it 2 happen aging what should i do i mean i wan't it so bad... but i can't cuz he's my homeboy and we were friends going on 7 years 2morrow befor this happen yesterday