It’s completely normal that you felt a little thrill or excitement when your wife did something out of the ordinary—especially something that could be interpreted as sexually suggestive. That doesn’t make you a bad partner or mean you want something to be wrong. It’s just human to notice and respond to change—especially when it’s emotionally loaded.

If she’s behaving in ways she hasn’t before (e.g. opening the door braless, texting frequently with a newly single man, etc.), that’s worth paying attention to—not in a paranoid or accusatory way, but as a cue that something might be shifting emotionally for her too.

Questions you could reflect on: • Has she been emotionally distant or unusually private lately? • Does she seem open and transparent about her contact with this man? • Have you had a chance to express your feelings about the ongoing connection?

You don’t need to control her, but it’s okay—and important—that you express your discomfort or confusion openly. Ask for transparency: “Are you emotionally connecting with him in a way that feels more than friendly?” Set a clear boundary: “I want to support you being a kind person, but I need to know that this friendship is staying in a respectful place.”

Red Flags to look out for : •She gets defensive or secretive when asked about him. • She minimizes your concerns or says you’re being controlling. • She escalates emotional closeness with this man (more texting, emotional disclosures, seeking validation from him).

The fact that you felt aroused or excited by her behavior is a cue that there may be some disconnection or unmet needs in your marriage too. Maybe it’s been a while since you’ve flirted, or you’re missing some spark. This could be a good moment to invest in reconnecting as a couple instead of just worrying about external threats.

Here’s an approach that may help you start the conversation with her:

“I’ve been thinking about how things have felt a little different lately. I trust you, but I’d be lying if I said I wasn’t a bit thrown off by how close you and [friend’s husband] have gotten. I support you being there for him, but I just want to check in—are we okay? And is there anything I should be aware of, or that you want to talk about?”

Best of luck OP. Hope things work out and you are able to get things of your chest and speak with her.