You shouldn't have to feel the need to apologise for what you feel....and this is your sanctuary.
If you can I would stop conjecturing on your W's moods/emotional state, and concentrate more on your own actions and her actions. Third party reporting from concerned friends/ relatives is sometimes misleading as what you hear is their interpretation of events and it could be way off mark; and it can be enough to drive one insane!!!!!
You are doing well working on yourself and being a good dad - that's what counts ultimately.
Saffie me 46 H 46 M in 1986 D20,D18,S16,D13 H's A 01/05 to 07/06 H recommitted to M 07/06 renewed vows 09/06 Going from strength to strength