Pretty open and shut. You say please don't- then he must stop. Regardless of reason. (If he had half a brain and really wanted your best he'd eagerly follow your guidelines. Its not rocket science).It's very simple if you're gonna touch money wash your hands after it goes the same with eating food you wash your hands before you eat so wash your hands before you enjoy your provider
I agree I don't touch my lady till after the shower. I tell a new lady (as my regs already know my routine), that I'm not touching her lovely pristine self until I can wash the Toronto grime off my hands and body. They seem to appreciate that.