So, how's your new roommate working out?
Here is the conversation that I have problems understanding. Hope you could do me a favor in this!
A: So, how's your roommate working out?
B: Well, I don't see that much of him, really. I mean, he's always working, you know, at the library or sitting at the computer.
1. Does "working out" also mean "getting on with someone"?
2. "I don't see that much of him", why there is a "that" and what does this sentence mean?