You know what word I'm not crazy about?  Nuance.

While he unknowingly was going to watch.

"JAZZ!!!!  He was the greatest jazz saxaphonist of all time!!!"

But there is the conversation at the wedding at the end of the movie when Shrevie mentions to Beth that he's book a getaway to the Poconos for just the two of them.  Maybe he realizes he needs to spend time alone with his wife.

Terry: Aren't you embarrassed?
Buddy: Nope. I'm horny. Horny will kick embarrassment's ass anytime.

My favorite.  Trouble from The Music Man.