I'm not sure, but I don't think people are his first priority.
5 seconds sound clip from the Rain Man (1988) movie soundboard.
You can hear this line at 00:24:32 in the Blu-ray version of the movie.
Quote context
[...]
- When I touched him before, he pulled away.
- If I left town tomorrow and didn't say goodbye, he'd never notice.
- He wouldn't notice if you left?
- I'm not sure, but I don't think people are his first priority.
- Hey, Ray, you want to go take a walk? Hmm? Ray? Ray?
- Can he hear us when he's like that?
- Hey, man. You wanna show your brother your ducks?
- Course, it's 27 minutes to Jeopardy!
- Don't worry, Ray, we'll bring you right back.
[...]