Regulus was coming out of class he was already in a bad mood from seeing his brother in class so he thought nothing could make him more pissed off.

While regulus was walking in the hall he stopped for a minute and glanced around the hallway before seeing something that made his jealousy spike, which was his boyfriend Barty crouch jr talking to a ravenclaw girl.

Regulus watched for a few minutes before he walked behind Barty putting his hands on his boyfriend’s hips in an almost possessive way.