Fortunately (or not, depending on your perspective), my big sister didn't mean naked, which is what I initially thought she intended. "No, we need underwear, silly!" Lucy said, clearly trying not to laugh. We were in my bedroom this time. Keeping things fresh, I guess. It was a few days after our previous encounter, and I'd spent the entire time on tenterhooks trying to figure out what Lucy had meant by 'without pants.' Obviously, I'd guessed wrong. "That would be way too much like actual s*x," Lucy explained, as if this were a totally logical way to draw the line. "Also, to be honest we've had to cut back on some necessities because of, well, everything. You know, medical things. So, I'm like, not safe. At the moment. Having at least a layer between me and any of your little swimmers i

