Ackley began speaking with Professor McGonagall about grading techniques.

Scarlett sighed and started eating. She watched Steven closely, refusing to take her eye off of him until she had to.

Ackley began to eat his food, making small talk with Hagrid.

Steven sighed and started to talk normally again, no awkward looks or anything. started joking with Scarlett and her friends.

Little did Steven know, Snape had his eye on him the entire time.
Ackley did as well, mainly because Snape started creeping him out when he didn't blink.

"You think it was Steven?"

Snape nodded, turning his attention back to his plate.

Steven soon stopped talking, zoning out. Scarlett didn't say anything to snap him out of it, she kept talking to her friends.

He soon finished his meal, excusing himself before he exited the hall.

When the students were called to leave and go to their dorms, Scarlett finally snapped Steven out of it and they both walked to their dorms together

He stood in the hall, watching the students head to their dorms.

The two were talking normally as if nothing had happened, though, of course, Scarlett was still studying his movements, noticing subtle shifts in his posture, tone of voice, and such.