What's Not To Lick

I'm friends with this guy. Only friends, and he knows it. But lately, we'll be on the phone, talking about our businesses, and he'll suddenly start talking dirty (saying sex things he wants to do with me). I just make a joke and get off the phone, but then he'll do it again the next time. How do I get him to stop?

--Uncomfortable

You get a lot out of your friendship -- but last you checked your Venmo, not $2.99 a minute.

There you are, talking about your plans for the third quarter, and the...