It's a product of your personality and your time. People in olden times also used to be terrified at the thought of eating tomatoes or touching a light switch,

It's a product of your personality and your time. People in olden times also used to be terrified at the thought of eating tomatoes or touching a light switch, but it's only a problem for adults who are generally more ossified in their worldviews. Children and future generations generally regard anything as normal. If I needed a kidney you can bet I'd take a pig, monkey, dog, whatever kidney I could get if it increased my chances at a healthy life.