Stage of the relationship: Casual sex/new relationships
Remember that mini-recap she enjoys when you've been dating for awhile, and how it elevates a carnal activity into a bonding moment? That shit goes out the window when you've only been dating for a short amount of time.
Don't fish for compliments post-sex and ask if it was good. Yes, it was. But, no, she's not going to admit, "Whoa, I didn’t even know penises could do that," even if she's thinking it. You're just not there yet, so stop expecting a pat on the back.