how can we get closer to each other

i I have classmates who are very special meaning for me, his name is dio, I like him since I was a class with him, he's smart in a variety of subjects, he has always been ranked first in the top of the class but unfortunately he likes another woman, I actually sad but when I was in class I always support their relationship, until now they have not been dating, if I'm nervous I always look at him but he does not realize it, I saw myself when he glances to the woman. I would like to ask how we can get closer to each other