I am an advocate of listening to the voice that you hear in your mind. This voice has no sound anyone can hear. This voice cannot be observed or measured by a medical doctor or a scientist directly. This voice is not even physical.
Here is an article that takes a deep dive into explaining that voice you hear in your mind right now.
You are not imagining things. That voice is really there.
I offer you my own personal and professional perspective, advice, and guidance on this crucial mental health aspect in a simple, easy-to-understand short YouTube video.
You can also benefit from reading my down-to-earth book (available electronically for downloading instantly) called Mind Voice: All You Need to Start Using Your Mental Powers for in-depth guidance from me.