Why Do some people just give you the creeps?

I think it's human instincts. Even animals can sense if somethings wrong with their fellow kin. For example, if I think something is wrong with a person or situation, my heart starts beating quickly and I start to sweat. I just think your instincts are more intensified than other people. Some people do not have this six sense and they seem to do the opposite of what common sense tells them to do. You should just embrace your unique gift and hope that you have good life because of it ;)