arhi story - whats the title of this ff

i read a ff - where arnav and khushi r in college. khushi falls in love with arnav, but he does not have any such feelings for her.

at the end of the college, khushi writes a note to arnav..saying something like this. she is glad she fell in love with him and for the last time again she says she loves him.. and that wishes he finds a girl suitable to him.

which si the story.