“Look, Lips,” says Yo. “Mom’s letting me use her old stethoscope because she got a new one.”
“She uses it to listen to people’s insides. It makes things sound louder. Let’s try it out.”
“I can hear my heart going blub blub . . . blub blub . . . blub blub,” says Yo. “Mom says it’s pumping blood to every single part of my body.”
“Let’s see what else we can hear,” says Mom. “Hmm. I hear an orange in your tummy, and granola and milk.”
“Very funny,” says Yo. “You already knew what I had for breakfast.”
“I guess I can’t fool you,” says Mom. “What I really heard was nice, healthy, gurgly sounds.”
“And inside my head—Hey! I don’t hear anything!” exclaims Yo.
“Thinking doesn’t make a…
