The anger does tend to come out quite often while they are in crisis. Keep in mind, MLC is all about emotions and they can't keep them in check. Eventually that anger will slowly slip away...but not for a long time.
If you think that you may have a problem w/him staying there, then choose a time to tell him it might be best if he stayed elsewhere.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.
