sounds like "real life"... the people we love are closest to our hearts so they cut the deepest...
I think it could definitly act as a trigger to your illness cos it is upsetting, but your reaction is probably not due to your illness...
Your husband is human too so he makes mistakes, has bad days and has his own load of problems to deal with... his behaviour is because of his problems not you or your daughter...
Is he depressed, he sounds withdrawn and irritable...