Pan the river but I ain't opening a mine

When you are talking about a shallow dip of interest in a particular subject or preference for dating.

Jon: "Why you be skipping all them fine white chicks?"
Kevin: "Some of them are fine but you're tripping if you think they all are."
Jon: "What, that why you always sticking with colored women?"
Kevin: "I may like the occasional white chick; I may pan the river but I ain't opening a mine."