I don't know what to do here. Parent problems.

A lot of married men look at porn. Because porn is kind of an addiction, especially scientifically speaking. And maybe his tastes stretch a little farther than conventional fare. As for the adult myspace (which I assume is supposed to be an "adult networking site" sort of like adult personals sites) ... could be he wants to know he's looking at some women who don't get paid for it, they just want to get naked. I dunno.

He was far too careless, so I can't blame either of you for investigating into it, because sooner or later it would have just popped up in your faces and you would have had to look into it anyway. Reading the e-mails is a bit of an invasion of privacy, I suppose... but if all they were centered around is porn, that's definitely no indication of infidelity.

Both you and your mom should, in my opinion, lean back and take a breather, then talk openly and POSITIVELY with him about it.

Jam it back in, in the dark.