@Sglass,
Well, aside from whatever her physical attributes may be, I have a sense from the shower curtain crisis that she's on the Mrs./mommy track (maybe not to be Mrs. kickycan, but an Mrs. in training) track and sees an opportunity to get him to comply. Which in my estimation makes her ordinary and normal.
On the other hand, a bit controlling, too. Some guys like that, and I imagine kicky underneath it all likes it, because it gives him yet another thing to complain about.