Yes, he might have different tastes, but sometimes "new" can be attractive in and of itself (within reason, of course ).
Additionally, your husband's top needs may be different than what the "typical" male might have on their list. Maybe that's a reach....
If you're reading "HN, HN", then you know that right now all of their conflicts are with people outside of them : you, her H, family, etc.. Once their conflicts start becoming about each other- BOOM! Clearly, neither of them has the relationship skills to deal with an A partner that refuses to be absolutely *perfect*!
Maybe you should send the OW a "care" package full of chocolate, chips and other fattening carbs? You know, to get her mind off the stress of divorce. Then again, maybe that's against DB principles....I'm just feeling evil