Maybe he should have countered Remus’ invitation. Yes, he was exhausted and yes, on any morning after the full moon he’d spend the day sleeping away, but they’ve been together for all of five minutes. Spending time with someone else in their bed was intimate even without sex. Remus told him the house would most likely be empty and explained which room to find them in if they weren’t downstairs, but did that mean he’d find them already in bed together, would he just be a third wheel?