@jennie23,
He likes you if he smiles at you in a way that makes you feel good about yourself.
He likes you if he treats you with respect.
He likes you if he tries to make you laugh.
He likes you if he laughs at your jokes even if they are not very funny.
He likes you if he listens to what you say.
He likes you if he asks questions about what you like.
He likes you if he doesn't talk about himself as much as he talks about your mutual interests.
He like you if he asks you to join him for coffee or a meal.
He likes you if you ask him to join you for coffee or a meal and he says "yes".