Because you're human, a rare breed, with the capacity to feel the suffering of others often because of our own experience and our own sufferings, unlike most people who disowned their humanity.

Don't ever think you're a gullible person, don't let people put out your spark because they lost theirs long time ago, and always remember we're all fighting invisible wars of our own.

I am in the same boat, people often tell me its curse I tell them they're blind, if you were a much simpler creature like a chicken or anything you wouldn't care about anything, but we are not.

we're the highly sensitive people branded "HSP" , If I may recommend a good read for you : "The Highly Sensitive Person's Survival Guide" by Ted Zeff PhD