He wants to have the emotional support to have you as a close intimate friend.
The fact that you had sex simply means that having sex is part of what is okay for him.
It does not mean committment. It does not mean that he wants to get back with you .
Even in this type of break up situations he will often be clear about the fact that he enjoys being on his own and wants to be free!
Listen to what he is really saying!
http://vitalcoaching.com/breakupforwomen.htm
To your power!
vitalcoach