My wife wants to go on vacation with a friend of hers... am I wrong for being upset?

Anonymous
My wife wants to go on vacation with a friend of hers... am I wrong for being upset? So my wife wants to go on a getaway to Europe with her best male friend. They've been friends for years (longer than I've known my wife). They call each other "best friends forever" and "big sis" and "little bro." He treats me with contempt and is always trying to minimize me in her eyes. He is ALWAYS around, and it seems my wife and I can't do anything without her wanting to invite this guy along. I've tried my hardest to respect her other relationships with people and not be a controlling jerk. But this guy bothers me. The thing that strikes me the most is that this guy has become more and more of a presence in my wife's life the closer we've gotten. It's almost as if he's competing with me for her affections and has stepped up his efforts to remain the #1 guy in her life as my wife and I have grown closer. Every time my wife does something, or goes on a trip with her girlfriends, he comes along. Both him and my wife are insistent that there is no romantic relationship at all. The thing that makes me so angry is that I have told my wife I would love to take a trip with her and she dismisses it as something she's not interested in. Now she's already booked her plane tickets to go to London with this guy in January. I'm at a loss and very angry. I just don't understand this, and part of me just wants to tell her to just divorce me and marry him. I love my wife so much, but it seems like she's more interested in spending time with her "best friend forever" than around me. What do I do? Should I leave her? It should be noted that I have tried to talk to her about this. She just shuts me down and tells me I'm being ridiculous, that this is "their thing" and I should just get over it. I've also confronted the "best friend" and he says that he's known her longer than me and that I should just BACK OFF, that I don't understand what they have and how special it is. Am I wrong for being angry and feeling like my feelings are being trampled on?
My wife wants to go on vacation with a friend of hers... am I wrong for being upset?
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