我们经常吵架。
We fight a lot.
Do you two fight? (你们吵架吗?)
Yes, we fight a lot. (嗯，我们常吵架。)
我不再爱我的妻子了。
I don't love my wife any more.
我老婆有外遇。
My wife's cheating on me. *cheat on...“在男女关系上表现的不忠”。
My wife's a two-timer.
My wife's secretly dating someone else.
My wife's having an affair.
我们感情不和。
We had a falling-out. *falling-out“感情不和”、“失和”。
We had a big disagreement. (我们之间意见分歧很大。)
We don't get along anymore. (我们再也不能在一起了。)
我已经改变心意了。
I've changed my mind.
I've reconsidered. (我想重新考虑。)
你变了。
You have changed.
You're not the same as before. (你和以前不一样了。)