Oh, just black is fine.

[It's said like an afterthought. Ford's mind is turning over. What could Bill have been doing drawing circles in nail polish?]

What you should understand about Bill is, everything he does, he does for a reason. Sometimes, that reason is only to get a rise out of you because he thinks it's funny. Other times, it's not as simple. Maybe he was expecting you to tell me about it so that I'd wonder what he was up to. I wouldn't put it past him.