It was a beautiful, sunlit day at the beach, while the gentle waves lapped against the shore. I found myself sitting next to my boyfriend's younger sister. It felt great to have her with us on our vacation, giving me the opportunity to bond and consider her as my future sister-in-law. With a warm smile, I reached for my sunscreen, offering it to her.

"Sweetheart, could you do me a favor and apply some sunscreen on my back?"

I asked her playfully, adding a hint of mischief to my request