AITA for Divorcing my 6 months postpartum Wife for Planning to Cheat Even Though It Never Happened?

My (32M) wife (30F) and I have been together for 5 years, married for 3. Six months ago, we had our first child. I’ve been doing everything I can to support her taking on extra chores, caring for our baby, and constantly reassuring her that she’s beautiful and that I love her, even though I