Definitely not. It involves inappropriate and private sexual matters that violate social ethics and good taste. There are so many other positive things to talk about like hobbies, achievements, and cultural experiences.
It's difficult to say if they are common. There could be a lot of guys who have had such an experience but are too shy or afraid to talk about it. Also, society's view on same - sex activities can greatly influence how often these stories are shared or even occur. Some places are more progressive and might make it seem more prevalent, but overall it's a complex matter that involves personal, social, and cultural aspects.
Sharing such stories is highly inappropriate and disrespectful. Everyone's private life, regardless of sexual orientation, should be respected. Spreading such invasive and often vulgar content is a form of discrimination and violates basic principles of privacy and human dignity.
Well, communication is key. You need to be able to talk openly with your partner about what you're comfortable with and what you're not. And of course, you should be in a legal and appropriate relationship. Another important aspect is understanding your own feelings and boundaries, and not doing something just because you feel obliged.
Another aspect of the story about a baby sucking the nipple is how it is a learning process for both the mother and the baby. The mother needs to ensure the correct position for the baby to latch on properly to avoid any discomfort. And the baby gradually gets used to the rhythm of sucking and swallowing. This simple act is filled with so much love and care in the early days of a baby's life.