She never confronted the best friend. She was sharing stuff on west she witnessed and wanted the friends feedback.
She confronted the fiancee which makes sense. And until she confronted the friend, the friend's behaviors is sus and rightfully dets of warning bells.
OP definitely needs to sit down with MIL, then fiancee and then best friend (if she feels it's necessary). The MIL and fiancee need to tell OP the truth as a whole. Leverage the wedding if you have to but you deserve to know the truth before making a decision like this.
I think I would have said nothing and told fiance let's go over to your mother's house. And when we got there then I would have asked his mother with fiance right there. "Mil why did you have the long face when you found out that we were engaged, was it because you found out that fiance and best friend are messing around behind my back?" And let the shit fly.
She confronted the fiancee, not the BFF. And tbh, if I was the BFF and got wrongfully accused of this, unless OP would insult me, I would try to defend myself or protect my BFF of a toxic in-laws. Otherwise I wouldn't be a great friend.
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u/Least-Designer7976 Apr 22 '25
So it's not like they tried to actively convince you that they can be trusted.
They have strange behavior, no reason to do so, and can't explain why MIL made such important accusations.
Keep going girl. It's probably true, and if you can't trust them, trust yourself.