Not sure what he wants me to do
Here is my situation
My boyfriend and I have been datingfor 8 months. The first 5 were amazing. In January, he proposed, and we decided in a year when we both graduate from college we will get married. Since then, he was evicted and moved in with me temporarily. Video Games are a large part of his life and he didn't play them as much when he moved in with me. 3 weeks ago, I went on a trip. When I came back, I found out that he had taken a video of himself masturbating and e-mailed it to someone. I confronted him, and he said that it was because I was gone and he was just in a chat room, he'd not talked to her since... but he never apologized. But, in the same breath, he asks why I'm not wearing my engagement ring.
The next day, he tells me he's going to move back in with his mom for a while because he needs space, but he still loves me and doesn't want to break up.
I'm very hurt by his actions, and am not sure how to handle this.