Hey how are you?

how do you know when i guy likes you and not just for or just to be friends just a dateing well i want to know bout something my ex broke up with me b/c his cusins girlfriend told him lies and he beleaved her at first but when i talk to him he was like we will be good friends for now and then he hooks up with this other girl and her myspace staues said it was in a reationship but know it say's she is single lol i hope he is so when i go back to alabama i will have nother chance with him sooo plaese help me out