I think the little old ladies liked me because I carried their groceries, or they appreciated my skivvies back when I had a 30” waist. :-D
I’m sure they liked your helpfulness and your sveltifulness, too.
I would also put other people’s clothes in a dryer, and pay the money and run the dryer, if I needed to use the washer. Efficiency is more important than 75 cents!