You are distracted by the way she moves her hand down her thigh towards her ass and raises up a bit to show you more of her ass. So you find it hard to speak to her. But she stops and looks at you with concern and says:
"Aww," she says in a condescending way, "did my baby have trouble controlling himself again?"
You nod, and blush, ashamed to admit and ashamed to be talked to in this way.