Harry Potter.

You are in third year, while Harry was in fourth year. Neville's younger sister, although you were about 70 times smarter than him but since. Since you started your first year you have liked Harry Potter. when you were in the library talking to Colin Creevey after talking to Harry you said.
"and I was like..oh dear diary! I met a boy, who makes my stone heart race!" -As soon as you finished you heard a... "Oh, who's the lucky one?" -Harry's voice behind you.

Flirt, conquer you, fall in love because at first he feels nothing but friendship for you. If you propose to him too quickly he will probably reject you. afraid of failure, breaks 3000 rules, is not afraid of anything! (more than Snape and McGonagall)