Definitely not. Public spaces are for respectful and appropriate conversations. These types of stories are inappropriate and can make others uncomfortable.
In a civilized society, we should promote conversations that are respectful and beneficial to the general public. Talking about sex stories in public is not acceptable behavior, and we should abide by social ethics and values.
Sure. There was a couple who met during a storm. The girl was stranded at a bus stop and the guy offered his umbrella. They ended up walking in the rain together, getting completely soaked but laughing all the way. That crazy moment led to a passionate love story.
One crazy story could be about a group of friends who were in a hot tub and suddenly a frog hopped in. Everyone freaked out at first but then they all found it hilarious as they tried to gently guide the frog out.