Have you considered part of the reason you are getting along, could be due to the subtle change in your attitude based on just taking the step to sign up. IDK, maybe she senses you are trying to figure it out. You know women and their sixth sense. There has been plenty of talk about how when we finally let go, our spouses can feel the shift even if we don't feel like we act any different.
Me 37/W 32 S 5 D 4 ILYBNILWY 5/12 Sep 8/12 Starting to find myself 11/12 on