Women are human beings, and wonderful people, not just objects of lust. Treat them as such and your life will be far richer for it.
When I think of this incredible story, I can't help but wonder how much talent, how many innovations, how many advances have been thrown away throughout history. How much more would we know, how much further would our technology have advanced, how much better off would we be if we didn't throw away people's talents, skills and intelligence because they were the wrong gender, or their skin was the wrong color, or because their God had the wrong name?
He made his interest clear, even to the point that my date, a woman, suggested that I give him my number. As I am not myself homosexual, I was not interested, but I was never offended. In fact, I found it to be a compliment that he found me attractive. I handled it quite simply: I told him I was not interested, and he, frankly, respected that. Pretty simple, and all it took was mutual respect.
if she is not interested, then the burden falls to me to stop. Yes, stop. Not talking, not being friendly, but the responsibility is to accept her answer, in a friendly and non-threatening manner, and move on.
Then her brother laughed. The people behind me laughed. The checkout person laughed. We were all laughing, and we were all laughing at me.