Well she did dare me
After my holidays last year where I went to the nudist beach every day, I returned home with a great all over tan. A week or so later I was at the local leisure spa (not a nude place) and having a sauna, towel wrapped around my waist. I got chatting to a lady that I had seen there a few times, and she complimented me on my nice sun tan. I thanked her for her nice comments and she then said, with a bit of a giggle, "do you have any tan lines". I told her that I didn't and she said "ha ha, I don't believe you, but I guess I will never know". So I stood up and passed her my towel. Her eyes almost popped out, and she certainly wasn't making any eye contact.
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