Well, I don't really have personal experiences like that. But I can share a general story. There was a girl who was in a relationship with a guy. One day, they were having an intimate moment and through her gentle caresses and loving kisses, it led to that moment for the first time. It was a very special and private moment for them.
Well, one story could be that a boy was in his teens. He was having a normal, private moment and suddenly experienced it for the first time. It was a very new and confusing feeling for him at that moment.
This is a very personal and private topic. However, generally, for some boys, it might happen during puberty, often accompanied by feelings of confusion and novelty. It could occur during a wet dream, which is a normal physiological phenomenon during adolescence.
First time cum stories can motivate others by showing that hard work pays off. For example, if someone hears about a startup that made its first big profit after years of struggle, they might be inspired to start their own business.
There's the story of a young artist. They had been working on a large painting for months. When they finally put the last brushstroke on it for the first time, they felt a rush of pride and satisfaction. It was the result of their creativity and perseverance all coming together at once.
Well, such stories are not common in mainstream society. It involves rather private and often taboo topics. In most cultures, this is not something that is openly discussed or shared in a general context.