&gt; she didn't actually physically cheat on you

As people alreayd said, that's bullshit. Nobody is willing to divorce their families without having sex first.

&gt;The daughters provide a reason to be cautious about divorcing

There are a lot of comments on this subreddit from kids in the family that decided to stay for the kids and they say ut was toxic. Never stay for the kid. It's better than continue to live in a family with resentment.