I was at my second apartment and a female friend stopped over for a birthday or Christmas gift exchange. I had just turned thirty and she was in her early forties. ‘M’ worked with me for awhile and left for another job, but still kept in touch with several of us. We exchanged gifts and then she gave me a few more and said if I opened them I had to model them. The first one was a pair of briefs with snowmen on them. I undressed and came out with just them on, getting a whistle or two from her. Then, she