The clip Marty's goodbye letter from Back to the Future (1985) with Lea Thompson, Crispin Glover
I still don't understand.
How am I supposed to go to the dance with her...
if she's already going to the dance with you?
Well, because, George, she wants to go with you.
She just doesn't know it yet.
That's why we got to show her that you, George, are a fighter.
You're somebody who stands up for yourself and will protect her.
Yeah, but I've never picked a fight in my entire life.
Look, you're not going to be picking a fight, Dad...
You're coming to her rescue, right?
Let's go over the plan again. 8:55, where are you going to be?
I'm going to be at the dance.
And where am I going to be?
You'll be in the car, with her.
Right around 9:00, she's going to get very angry with me.
Why is she going to get angry with you?
Well, because, George, nice girls get angry when guys take advantage of them.
You're going to go touch her on her...