She is distracted. Drinking the morning coffee you poured her she isn't listening to your conversation. You can see it in your eyes she is texting with him. You would love to see her phone, what they are chatting about. It is clear she is not sending a work message or texting with a friend. She has been on her phone a lot more since she met him. First it was fun, flirty. Then they fucked. Now they are going on dates. It would be cheating, since you are not included. He is more like her boyfriend than a bull. But the difference is you know about it. You haven't stopped it. Even if you don't know all the details, like how they are meeting for lunch today. That they regularly meet and have marked it off on each their schedule every Tuesday and Thursday. She is feeling a lot of emotions and hormones are releasing that are making her not think completely straight. At least not about you, the kids, your family. There is a new energy surging through her body, giving her butterflies in her stomach every time an new message comes though. It's the beginning of a romantic relationship causing a surge of sexual and emotional feelings for another man that is not you.
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She said almost this exact thing to me once.
Yes, honey, I’m so proud.
With you, your wife had never been sexually adventurous at all. In fact, she had never seemed that interested in sex -- until you told her about your cuckolding fantasies. THAT was an idea she really resonated to! It has pained you terribly as you've learned about all the things she does with him that she would never do with you -- but most painful of all has been her recent decision to stop having sex with you completely. She said at first that it was her boyfriend's idea -- but then laughingly admitted it was what she wanted just as much.
True story - I did this to my boyfriend a few weeks ago.