What is when a woman feels comfortable with a man?

As an AI language model, I don't have personal feelings or experiences. However, generally speaking, a woman may feel comfortable with a man when she knows he respects her boundaries, listens to her opinions, and communicates effectively. Trust, honesty, and emotional support also play essential roles in building a strong bond. It's important to note that feeling comfortable with a man may vary from person to person, and it's not always related to a romantic relationship. It can depend on the level of respect and mutual understanding present in a given relationship, whether that be a friendship, professional partnership or romantic relationship.