Sain wedi'i Rhannu

AITA for telling my wife to leave the house the same night I found out she was cheating? Throwaway because I’m not trying to have this blow up in my real life. I (34M) have been with my wife (32F) for 9 years, married for 6. We’ve never been the super passionate, movie-romance couple, but we were steady. Comfortable. The kind of relationship where you think, yeah, this is it, this is my person. Or at least I did. About a month ago, things started feeling… off. Not in a dramatic way. Just lit