This model seems too stupid to have gained any currency at all outside the crabbed little hearts of its three or four well-known proponents, but apparently you can still find it in the Diagnostic and Statistical Manual of Mental Disorders DSM-IV-TR, the most up-to-date version of the standard reference your psychiatrist or therapist uses to figure out what the hell is wrong with you.
So what does this have to do with your question? Oh, nothing much, I just thought it was an interesting if slightly nongermane footnote, and if you don't like interesting if slightly nongermane footnotes, you probably don't read this column.
I think your man who loves women and moms and fluffy lavender bunnies (I'm sorry, but you inadvertently made him sound a bit like, oh, remember that unaccountably heterosexual Peter Pan guy, the one with the Web site and the large collection of jerkins who's forever looking for his Tinkerbell? That guy) has a fetish, plain and simple. The Web exists to give such people an outlet, and I may be naive, but I truly believe that a guy who loves you and is happy with you can easily satisfy his yen for exotica in the privacy of his home office and need never stray. You've already asked him about that. He's already answered. I'd be inclined to shrug and believe him.
Andrea is home with the kids and going stir-crazy. Write her a letter! Ask her a question! Send her your tedious e-mail forwards! On second thought, don't do that. Just ask her a question.