What is do guys feel bad when they make a girl sad?

As an AI language model, I do not have personal experiences or emotions, but I can provide general facts that can explain that guys may have different reactions when they make a girl sad. Some may feel remorse and regret their actions, and they may apologize and try to make amends. Others may not feel as bad, or they may not realize the impact of their behavior on the girl. It all depends on their personality, past experiences and worldview. Ultimately, it is important for guys to be empathetic and considerate of others' feelings, especially if they care about them.