I fell out of love with your mother. I loved her once. The love went out of me when I found her carrying on.
15 seconds sound clip from the The Remains of the Day movie soundboard.
You can hear this line at 00:47:53 in the Blu-ray version of the movie.
Quote context
[...]
- Yes, I think we're up to scratch.
- How're you feeling? Are you feeling any better?
- There's something I have to tell you.
- I have so much to do, father. Why don't we talk in the morning?
- A good son. Proud of you. I hope I've been a good father to you. Tried my best.
- You better get down there, or heaven only knows what they'll be up to.
[...]