Let say a man have been married to his wife of six years. They have no children:-) I'm making it simple. He find out she's been seen around town with another man. The relationship hasn't gone further than a kiss. He confronts her because he has a memory of the last time it happen almost 2 years prior, but quickly he tells her they are going to work through it.
Answer: (Your Opinion of Course)
He let it go because of (Being In Love)
He let it go because of (Being A Fool)