Should i leave him alone '?

Okay is this boy call his self liking me and he told his friend his friend told me. I found out that he has a girl friend but they're on the verge of a brake up, they brake up but we still don't hook he still tellin his friends stuff and sending hints but don't ask me out , then they go back out and he tell his friend reason why he didn't go with me because he don't know if I like him. I flirt back idk wat else he wants . What should I do ?