I can relate to this.

I feel like I exist to repulse people. When I go stand in a crowd a bubble of space tends to form and people in their conversations move further and further away.

My mom used to tell me I walk like an Indian all the time growing up because she could never sense when I was near by or hear me walk around the house. I've had more than a few people blurt out that I should be a spy for the same reason.