Okay I am LIVID now-separated from hubby-just found out some new info?

We have been separated for 6 months now, we had no contact for 4 months. We have been talking about reconciling- now I just found out-from his family-that he is 'dating' if you want to call it that, some skank for the past couple months, I confronted him about this and he tells me that he has been, and he just wanted to see what it was like to 'be single again' and be able to do what he wants. So I asked him point blank does he ever want to reconcile w/ me and he said "YES", but he just wants/needs some time, b/c I am the one who initiated the separation between us to begin w/. How in God's green earth does he just move on and start dating so soon after the fact, and with this girl none the less!!??? I am sorry, but I know of her and she is NOT a nice or good person, major partier and not a very good person