Boyfriend sleeps on sofa with friend, leaving girlfriend alone; 3-year relationship strained

• A 23-year-old woman shared her distress on Reddit about her 27-year-old boyfriend's habit.
• Her boyfriend's 24-year-old female friend is staying with them, sleeping on the living room sofa.
• The boyfriend frequently falls asleep on another sofa in the living room, leaving his girlfriend alone in the bedroom.
• Despite no romantic involvement between them, the girlfriend feels disrespected and that her feelings are not valued.
• Users advised focusing on 'privacy' and 'decorum' rather than 'jealousy', suggesting the boyfriend is intruding on the friend's private space.