Digging for Treasure.

I get sick again!

"Remember how often I got sick my first year as a doctor?" the DNB asks.

"A lot," I reply.  "I wonder whether you've just built up better immunity to hospital germs."

And then he says this: "I think it's because I started using foaming hand sanitizer before I pick my nose."

"Ok, what?"

"They don't teach you that in medical school," he says, a touch indignantly. 

"Um, yeah, because they teach you to quit jamming your finger up your nose in ELEMENTARY SCHOOL."