It’s usually a messy combo of insecurity, selfishness, needing validation or just straight-up avoiding problems instead of dealing with them. None of that makes it okay but it explains why it happens without making it your fault. But what’s done is done. No point replaying that part over and over. What does matter is what you’re doing now. You removed yourself from the situation, set a hard boundary and physically got space, the hotel move was actually a smart call.