I used to think that giving up on a forest for a tree is what one would proclaim as sincere towards someone.. But i guess this theory is no longer true. Not in our era i suppose. Well, fashion would get outdated let alone theories. Hence my friends,
当你想为那个人付出的时候要理智点.

Girls won't appreciate what you had done. In fact they would find that you are a nuisance. Soon you find pharses like "he just dont get it" buzzing around you :)
Reality check Mate.

Well, things are different if she loves you. But, when girls are at their prime, you won't get to meet one who is willing to give in her all..
More taking and less giving is what they know.

PS：不要为了一棵树 而放弃整个森林
Unless she loves you as much as you love her.