Humans are incredibly resilient things unfortunately we're full of nerve endings that lie about stuff, for example a graze is more painful than a deep cut, banging your knuckles is painful, doing it in the cold is 10 times more painful,there'sno reason for that.
My wife was lightly running her fingers over my back and my back muscles started making a light high frequency vibration in response to her touch that we could both feel.
Our bodies feel a lot more than we know and a lot of it is dealt with subconsciously the rest we think is important but it rarely is.
Learn to relax and stop worrying, life is too short and has too much to offer.