How come I don't have the ability to sympathise with anyone or anything or get upset? Is that normal?

de-sensitized its the culture we live in ... if yout American its the norm rather than the oddity. Dont worry about it. If it bothered you enough to ask the question. Obviously something bothers you LOL you dont have kids I think? I always thought the same as you till I had 3 kids and I still am like you to some extent but the kids are everything they are the only thing that illicit any sort of emotion from me. I had a SUPER dramatic mother and a no nonsense father and saw and did it all. I dont know why I am that way but most adults get to a point like you.