It is certainly subtle to make him sound plausible, after everything that has gone on. The pantomime daddy is careless writing.
It is easy to see bruises and injuries, even neglect, but this subtle erosion is hard to pin down. I think it is that side I have found so interesting and informative; so long as Anna can pull it off.
I am convinced he sees himself as the caring victim of the whole affair.
How will be manage now, that is also very interesting.