If you are afraid, heights do not mean that you should avoid it by any means. On the contrary, you need to try to face your fear. The fact is that you will succeed in dealing with your fear only if you periodically face him. And each time, having experienced fear of heights, you need to analyze the situation and disassemble fear of the components. And at the moment when you stop being afraid of individual parts of fear, then the fear of heights will disappear.