On his next access visit I want to explain to him if daddy says it OK than its okay.
Is this the gist of it? That she is judging you for your decisions? How are the boundaries now on a legal sense? How can she control your access at this point, from a legal standpoint?
What you do on your time is your business. Besides, is not like you're letting him watch Caligula.
I know this is hard to deal with given S10's reporting to his mother. He doesn't know any better. He's 10.