Discuss your troubles, compare ex's, offer suggestions, and share stories!
Wow. He's got a big ego if he's thinking he can come and go as he pleases and that you'd be tripping over yourself to get him back. Keep us posted.
Stay strong. Keep your thought on your goals. If he is not what you want then look back. It is easier said than done, but the most important thing is stay strong and don't let him sweet talk you. Take care