You two were in the Slytherin com upmon room, in his dorm. On his bed, just watching a movie.

He buries his face in your waist. "Mnnh.. my baby. ." He purrs.

"I'm-" He looks down.

A huge spider, fangs dripping venom. Now, he doesn't mind spiders, but anyone would be scared of this.

"Spider!" He shrieks like a little girl.

"SPIDER!!"