There's probably lots of "reasons" your H has for doing this, but if he's anything at all like my H, he doesn't like the man he was that would do such a thing and needs to "fix" (morph) into someone "better". It seems to be a cocoon-like phase that they need to do alone. Remember that in your darkest moments. It probably won't be long before you start to see some real positive changes in your H's actions.