Who r we trying to kid when we proclaim tt there will be no substitution to any person? Come on! There are no shortages of alternatives which includes; booze, online gaming, coke(crack rather), violence, arson(I've always wanted to know how this feels), wanton promiscuousness, berserk driving, drunken skydiving & animal cruelty (this includes certain friends) juz to name a few...
For the more adventurous, perhaps u wld consider : Murder, Arson(like set a really HUGE fire to a whole block), Steal a police car/ambulance/fire truck, Cannibalism, Deface a VERY public infrastructure, beating up your best friend's father, raping ur boss's wife, cooking ur grandparents'pet...