The issue is it's cos you're so black, you have a problem.
4 seconds sound clip from the Jungle Fever movie soundboard.
You can hear this line at 01:06:59 in the Blu-ray version of the movie.
Quote context
[...]
- What do you mean, 'eventually'?
- All the girls you ever dated have been light-skinned girls! You and Cyrus! Both of you!
- You don't know what type of women I dated before we got together. And that's not the issue here.
- The issue is it's cos you're so black, you have a problem.
- Oh, that's insane! That's insane!
- And what do you do? Do you love this girl?
- Ohh! Oh, Drew. You've gotta be kidding me.
[...]