It takes their relationship out of the fantasy realm, and into the everyday, bad-breath, you-get-on-my-nerves realm. It makes them more like a "married" couple, at a time when at least one of them is running hell-bent AWAY from wanting to be a married person.
It's actually all spelled out by a noted infidelity author, but if I posted it -- or even referred to it -- I'd just have my post deleted, and possibly get b*nned.
