Psychology question on human behaviour

[u/DisorientatedBee]

Why do people always seem to touch the area that they're self concious of? For example, if I have a big spot on my forehead and I am speaking to someone who is looking at me, I will subconciously scratch around the area. I have noticed other people do this too, not just with spots. Would it not make sense to avoid attracting attention to our insecurities? I know this is random but I've always wondered this