The cat is out of the bag. If I where you I'd break all contact with him, and get back to him in six months when the love has hopefully died down. ...the other option is go for it. Love and peace....no rules. ATTACK!!!

Staying in contact like you're doing now, isn't that a bit like stabbing yourself repeatedly with a knife? A one way ticket to depressing land?

edit: ...and here's my slave's take on it. "If he had a girlfriend but still chose to play with you he's a despicable scumbag loser that you should stay away from."