I wouldn't do that if I were you.
4 seconds sound clip from the Iron Man (2008) movie soundboard.
You can hear this line at 00:17:28 in the Blu-ray version of the movie.
Quote context
[...]
- Why aren't you wearing those pajamas I got you?
- I'm sorry, this is the 'fun-vee.' The 'hum-drum-vee' is back there.
- Nice job. See you back at base.
- I wouldn't do that if I were you.
- What the hell did you do to me?
- What I did? What I did is to save your life.
- I removed all the shrapnel I could, but there's a lot left, and it's headed into your atrial septum.
- Here, want to see? I have a souvenir. Take a look.
- I've seen many wounds like that in my village.
[...]