Do You Know What's Toxic?

"I invited him, sir, then why don't you lick that black mold on the wall if it's so good for you? You said it. I did," he says. "And he goes, you know what? No, you're right. I'll go ahead and I'll just clean this up." After a few more attempts at cleaning with Clorox, Matt decides to send in a sample of the mold himself. It turned out not to be Sharpie marker but deathly black mold.