plz help me-do i like him or not?

i was in a summer program and he is the teacher's helper.i aways think about him and i really want to talk to him alone and share something instesting with him.but he is always around some people.one time i found that his is alone i walk over to him and look at him.i want to say something but nothing come out of my mouth.he ask me what is it i just say nothing.but even though his is really close to me i don't feel like anything.so i don't get it.do i like him or not?plz help me