I (36M) think my wife (33F) is too casual with my brothers (20s-30s M)

My (36M) 3 brothers (20s-30s M) are very close to my age. We are Irish twins, meaning there is only a 12-month gap between each of us. <br><br>My (33F) wife is very outgoing and bubbly. She’s close with my brothers and their spouses. My issue is that my wife is often sexually suggestive in ways I find inappropriate. Here are some examples:<br><br>One of my brothers is a personal trainer. My wife will say “I wonder what it would be like if you trained me.” Or she will jokingly say “I bet if we ever hooked up, it would be so hot.” (It always stays at the joking stage. She would never actually cheat.)<br><br>She will ask about their sex lives, but in ways that feel inappropriate. For example, she will ask “Do you ever come multiple times in a single session?” Or she’ll say “I wish I could deepthroat your—-.”<br><br>One of my brothers’ spouses asked my wife for a kiss (on the cheek) under the mistletoe, but my wife kissed her on the lips. Then she asked my brother if he wanted a kiss, and he stuck out his cheek. But my wife also kissed him on the lips, and then she started joking about how she should kiss his bare butt.<br><br>My wife will joke with my brothers about how “hot” they are. But her jokes often have a sexual edge. For example, she recently told one of my brothers “Damn, bro, you’re so hot! I can’t believe how much you’ve grown since we got together.” She can joke like this for hours.<br><br>My wife works out a lot and she looks good. She loves when my brothers notice or compliment her. She’ll often wear skimpy clothing in front of them. A swimsuit. A towel. Lingerie. She’ll be topless in front of my brothers.<br><br>My wife sunbathes topless. But she’s done this even if my brother is in the backyard or near a window where he can see her. (She will cover up if his spouse/children are present.) I’ve mentioned this to her before, and she hasn’t stopped.<br><br>I’ve talked to my wife about this, but she just gets defensive. I don’t think she’s trying to cheat on me, but I do think she’s trying to manipulate my brothers into something sexual. <br><br>My brothers don’t seem to mind, but their spouses do. His wife has confronted my wife, but she just laughs it off or says she’s joking. I’ve stuck up for my wife when his wife confronted her, because I think his wife is being too sensitive. <br><br>So I guess I just need some advice going forward. How do I talk to my wife about this? Do I need to confront my brothers/spouses too?<br><br>Thanks<br><br>TL;DR: My wife is sexually suggestive to my brothers, and their spouses don’t like it.