You're going to break it.
4 seconds sound clip from the Planes, Trains & Automobiles (1987) movie soundboard.
You can hear this line at 00:53:15 in the Blu-ray version of the movie.
Quote context
[...]
- Would you please stop doing that with the seat?
- Once you start screwing around with these damn things, you can never get comfortable.
- Then quit screwing around with it.
- Do you have a bad back? Well, I do and it hurts like a bugger. There's only a couple good positions.
- Done. Ah, lovely. Lovely, lovely.
- I got the seat just where I want it.
- I can't reach my feet to get my shoes off.
[...]