Believe me, Marty, you're better off without having to worry about all the aggravation and headaches of playing at that dance.
10 seconds sound clip from the Back to the Future movie soundboard.
You can hear this line at 00:14:29 in the Blu-ray version of the movie.
Quote context
[...]
- And I'm... afraid I'm just not very good at confrontations.
- But the car, Dad. I mean, he wrecked it. He totaled it.
- I needed that car tomorrow night, Dad.
- Do you have any idea how important this was to me? Do you have any clue?
- I know, and all I can say is, I'm... I'm sorry.
- He's absolutely right, Marty.
- The last thing you need is headaches.
- Kids, we're going to have to eat this cake by ourselves.
- Your Uncle Joey didn't make parole again.
[...]