How is your mother-in-law?

I went to get a haircut the other day, and the barber kept asking me the same question over and over. As he’s cutting my hair, he says, “So, how’s your mother-in-law doing?”

I shrugged and said, “She’s fine.”

Five minutes later, he asks again, “So, how’s your mother-in-law?”

Now I’m getting annoyed, but I answer, “I told you, she’s fine.”

A few minutes after that, he asks yet again, “So, how is your mother-in-law doing?”

I finally snap: “Dude, I already told you twice—she’s fine! Why do you keep asking about my mother-in-law?”

He chuckles and says, “Oh, don’t worry, it’s not because I actually care. Every time I mention your mother-in-law, your hair stands straight up… and it makes it a lot easier for me to cut it!”