Naturally I took my time getting it ready. I figured it would be a good life lesson for this 40-something woman. After I leisurely strolled back to the window and gave her the bag, she commented,
"Boy it sure is chilly out here today."
To which I responded with a big smile,
"Yeah, but it's toasty warm in here today."
I'm hoping it dawned on her then, but the expression on her face told me it didn't. Oh well, I'll try again next time.