Little Do You Know

"Sure," you smile at him and scoot over. Adrien dives his hand into the sink and emerges with a sharp, glinting knife. He washes it quickly and sets it aside.

"That's dangerous," he says.

You hip-bump him. "Yeeeah, but I live on the edge."

"The edge is pointy, Rose."

"Ha ha."

After washing the dishes, Adrien waves at you and walks off. You see that you have ten minutes until the break. What should you do?