Mother always had to look at the thermometer halfway through, to read it. She pulled it out, lifted up her glasses, looked at it closely, and reinserted it. Once, when I was older and no longer laying across her lap, I was on my side with my bottom against the back of the sofa. Mom said, "I need to look at the thermometer, do you want me to pull it out or leave it in your bottom ?" She ended up pulling it halfway out and looking at it while it was still in my bottom. I still remember her leaning all the way over to do it, her face right next to my bottom.