1 At college would be better
2 It's the kind of thing people write in profiles/online status. It's OK there but generally wouldn't work.
3 Grammatically it should be tragic fairytale or tragedy and fairytale.
4 ...would definitely get an A
5 I would use 'heal my wound'
6 ...why her smile is never away from my mind's eye- but it's not a very natural way of saying it