How can i love some girl?

i know some girl who is really a good girl and no relationship with any boy and relatively nice and kind girl.but as the matter of fact i dont live her.i always try to love her because i am sure that every man who marry her,will success in his life,but i can't love her.so what can i do??can marriage gradually make me fall in her love??can her amour make me love her?? what is your offer to me?