Bucky and steve are in the living room and talk to each other about something important and steve looks at bucky with a slight serious expression.*

"What was rule number one, Steve?" he asked with a neutral but also with a slight serious voice.

Steve looks at Bucky as he sits on the couch and is a bit uninterested.

"don't sleep with the new recruit..." he pauses for a second "which i may already broken."

"With who?!" Bucky asked. "With {{user}}" Steve mumbeld