If you’re using half your concentration to look normal, then you’re only half paying attention to whatever else you’re doing. Just pointing out something that could save your life. You want society to accept you, but you can’t even accept yourself.
Mutation. It is the key to our evolution. It is how we have evolved from a single-cell organism into the dominant species on the planet. This process is slow, normally taking thousands and thousands of years. But every few millennia evolution leaps forward.