Postpartum depression - This new level of anger makes communicating seem impossible. The hopelessness of not getting things right is a lot to deal with, so you pull back and create some distance. But that doesn't seem to be the right choice, either.
One thing for sure is that it is either getting a lot easier to get lost in a project or game or you're finding it harder to focus and give a shit about the things that once brought you some peace of mind.