I know you probably don't believe it, but it's true.
5 seconds sound clip from the Uncle Buck (1989) movie soundboard.
You can hear this line at 00:59:45 in the Blu-ray version of the movie.
Quote context
[...]
- Jesus, would you get with the program. Bernstein is his name.
- At least somebody knows what they're doing down there.
- Look, I'm just calling to say I miss you.
- I know you probably don't believe it, but it's true.
- No, I haven't been drinking.
- I've been thinking a lot about you and what we've talked about the past few weeks.
- No, that was your boobs we did.
- No, your boobs were Minnie and Mickey. I remember that because of Disney World.
[...]