Just a few, but:
Having a snack because she's "starving", even though she just had a meal she's already forgotten about.
Having a meal because she's "starving", even though she's been obliviously snacking all afternoon.
Proclaiming "I have to burp" before letting out belches in front of friends, coworkers, family, etc.
The time around last Thanksgiving when we left a karaoke bar, and her ass crack was sticking out of her pants. I caught a few eyeballs on her and she was not aware until we got out of the Uber at home.
I could go on for ages. Things like this are where the real hot shit comes from, especially in a long term relationship.