For once in your life, why don't you think about what's best for him?
4 seconds sound clip from the Independence Day (1996) movie soundboard.
You can hear this line at 00:36:12 in the Blu-ray version of the movie.
Quote context
[...]
- No, you're not. You're just the man who married my mother. You're nothing to me!
- Oh! Oh!
- Troy?
- For once in your life, why don't you think about what's best for him?
- Who has to beg for money to buy him medicine when you screw up, huh? Who? Who?
- You stop it right now! I'm not a baby anymore!
- I don't want your stupid medicine, because I'm so sick of medicine!
- Do you know what this stuff costs?
- Do you wanna get sick again? Do you?
[...]