***PLZ HELPP*** what do i say?

ok so i lke this guy and he likes me. and my cuzin and her boyfriend sre trying to hook us up. so last weekend i went with my cuzin her boyfriend and him to her boyfriends house. and me and him barely talked. and i kno he likes me but me and him are both really shy so it was really awkward. i usually dont talk to the boy first he talks to me. but not this time!! i need to kno what to talk about with him next time o go somewhere with him! PLZ HELLP!!!