Planet Mad

"Miss, do you have any scales?"
"I've got kitchen scales - is that any use?"
"No - it's for biology. I have to weigh myself, have a bath and then weigh myself again."
"Ah. Right. I see."
"I'd ask Jen or Mrs C, but they might think I'm weird."
[raised eyebrow]
"Well - you think I'm weird anyway, so it doesn't matter if I ask you!"