Honestly Kimmer, first on your H's... woah... behaviour...
OK, there looked like a few "touch and gos" in there, but what really came through to me... and first, remember that depression is PART of MLC, even if it's a stage of MLC... So depression is the underlying drive, whereas the stage of depression would be... as HB would say... where they "face their daemons"...
So having said that, it looks like your H may have been in the depression stage... and then triggered and went right back to replay and even revisited anger for a bit... again, remembering that the first stages will still overlap the others...
And... running back into the tunnel... does not always mean they'll be in replay for as long as they were, the last time... although, there are those that appear to get stuck... for the rest of their lives...
I guess, if it's more fun "in there", then who wants out?
I am sure there are those that would just say your H is an a$s and to leave him hang and reduce any and all exposure to your kids... yet... you know him best... do you really believe he would otherwise mean ill to your children? If he's tormented internally by what's going on and certainly his words suggest he regrets some of the things he does, even though he still does them... *shrug*
IDK... I would like to think your kids aren't at risk from him, although emotionally... would you be OK with at least explaining to the kids that their dad is working through some things and sometimes seems mean, even though you are sure he loves them... and then tell them to kick him in the arse when he's like that to them?