SUBREDDIT: r/relationships
TITLE: [relationship] Why am I (f22) so bothered by my boyfriend's (m22) friends making bets on our relationship?
POST: I recently went on a trip with my boyfriend of almost a year.  Came back and they had made bets that out relationship was going to drastically change in some way. 

The bets were that:

He was going to propose. 

We were going to get eloped. 

Break up. 

Become pregnant. 

Nothing would change. (which won) 

It seems like a harmless joke. So why do I feel so irritated? It feels like they're making a game of my relationship. 

That my relationship is entertainment for them. 

Previously one of the guys in this bet thought it would be funny to mention how another friend said he'd like to do inappropriate things to me. It caused a lot of issues and it I guess I feel like they're using my relationship to entertain themselves.
TL;DR: 
friends of boyfriend are disrespectful making bets on my relationship and I don't know how to articulate why it makes me mad.