Yes, there are huge ethical issues. This kind of concept involves vulgar and inappropriate sexual content which goes against moral and ethical standards in society.
One couple might share cooking stories about the time they first tried to make a Thanksgiving dinner together. They could talk about how they overcooked the turkey and undercooked the stuffing, but still had a great time laughing about it.
A couple who are both into sports might share coaching stories. For example, one could talk about coaching a little league baseball team and how rewarding it was to see the kids improve.
Sharing a cock (assuming you mean a rooster in a farming context) with one's wife could be seen as ethical if it's part of a shared responsibility on a small farm. For example, if they both take care of the rooster, feed it, and ensure its well - being, it's a normal part of rural life.
It's possible that in certain cultural or ethnic groups, there could be some traditional stories involving a couple and a black cock. But without more research into specific cultures, it's hard to pinpoint any truly 'famous' ones. It could be that in some agricultural - based cultures, the black cock has some symbolic meaning for a couple, like representing good luck or fertility, but these are more likely to be part of local folklore rather than widely known.
A couple's first time sharing an experience could be something as simple as cooking a meal together. They might learn new things about each other, like one is really good at chopping vegetables while the other has a knack for seasoning. This shared experience brings them closer and gives them memories to cherish.
Well, a couple sharing a story for the first time can be really sweet. It might be about how they met, perhaps in a coffee shop where one accidentally spilled coffee on the other. They could then start chatting and realize they have so much in common, like their love for old movies. This first - time story - sharing session helps them to bond deeper and understand each other better.
I guess it might have been a moment of boldness or a desire to express something personal. Maybe it was triggered by a particular experience or emotion.