Is it normal that i get enjoyment out of death and don't care when people die?

Basically, there's nothing more appealing to me than seeing gory, gruesome pictures and videos of people being murdered and tortured. A good example of how I perceive ''tragedies'' differently is the recent Alps crash where 150 people died. I read about it and think ''They found 600 body parts for only 150 people? That would be so cool to see.'' and while others are reading updates on it and saying how awful it is and that the whole world is grieving, I'm sitting here desperately trying to find any leaked recordings from the black box recorder and a video that a passenger had recorded in the final moments because I think that'd be cool as hell to watch and see peoples terror.
When people plan holidays they think of where it's sunny and relaxing or a good place for adventure, while I'm going on holiday this year and the destination was purely decided on because it has the most 'bone churches' in that area. I'm also saving for Japan next year to visit a place known as 'Suicide Forest' because of all the rotting cadavers I'd get to see.
I also don't care when people I know personally die. Right now my long term boyfriend's granddad was told he has 4 days left to live yesterday so while I'm in bed on sites like this getting joy out of other peoples quirks and misfortune, browsing things on 'best gore' that I've already seen a million times he's away at the hospital and all I'm bothered about is the fact he's going to come home and probably be a crying mess which I really can't be bothered with. I'd love to be able to give him some advice and make him feel better but the best I've said to comfort him so far is ''Well, everyone dies and he's old so you can't really be surprised.'' and it actually annoys me that he's wasting time there rather than do the housework he's been meaning to do for a couple of days. Like, your granddad has 4 days I'm sure it won't matter if you miss one. I'm not a family person though, and his family are genuine retards, both his parents have disabilities and it's like his mum isn't even a human being, ust a fat blob that hobbles about, she just dumb and asks questions about everything and needs to know every detail of your life and annoys me so much so that I genuinely wish death upon her and wish it was her that only had 4 days to live and I've even let her know my opinions on her.

My boyfriend has started making comments on my lack of empathy saying he wouldn't be surprised if I turned out to be a serial killer one day or whatever but I really don't see the problem with it.. The vast majority of people are just retarded idiots any, the world will carry on.