No, what you're describing is a common phenomenon known as "daydreaming" or "imaginative inner dialogue." It is a normal and natural aspect of human imagination and cognitive processes. Many people engage in this kind of mental activity, where they envision hypothetical scenarios, discussions, or conversations in their minds.
Daydreaming can serve various purposes, such as processing emotions, rehearsing social situations, exploring ideas, or simply entertaining oneself. It's often a way for individuals to explore their thoughts, feelings, and desires in a safe and imaginative space.
As long as daydreaming does not interfere with your daily functioning, relationships, or cause distress, it is not considered a disorder. In fact, daydreaming can be a healthy and creative outlet for self-expression and problem-solving.
However, if you find that daydreaming becomes excessive, compulsive, or starts to interfere with your ability to focus on real-life responsibilities and relationships, it might be worth discussing your experiences with a mental health professional. They can help assess whether there are underlying issues or if there's a need for additional support.
Remember that everyone's inner world is unique, and as long as it doesn't negatively impact your life, daydreaming is generally considered a normal part of human imagination and creativity.