Why is it that bad things have to happen to good people?

Wed. in Chicago it was beautiful.. pretty much to good to be true. I had gotten a phone call saying that no matter what I had going on I had to find a way home and I had to go now, the voice on the other line sounded scared and shocked, the whole time I kept asking what’s wrong? what’s going on? Why do I have to get home. My heart start pounding my mind started racing with horrible thought of what could have happened because my mom wouldn’t tell me. I knew something bad had happened but I didn’t know what, I packed up a couple of things and booked it to the Amtrak station.. by this point I was in tears and still didn’t know what was going on. 3 1/2 hrs later I still didn’t know what was going on but I was shutting the car door and walking up to my parents house. Sammy one of my cousins came running out of the door just balling her eyes out and talking so fast that I couldn’t understand what was coming out of her mouth. Mom came walking out of the house next her lips started to move “Sara your grandfather....” that’s all she had to say, I know what had happened and I broke down into tears. My grandfather had lost the fight with cancer.
I will never understand why the lives of loving and kind individuals get there lives taken from them on such harsh terms. My grandfather was diagnosed with brain cancer 3 months ago and he was given 6 months to live. Surgeries and chemotherapy might have let him live for a little longer but it wouldn’t have saved him. Instead he opted not to do either of those and let life take it’s course. He was the strongest person I know, and was always a fighter. R.I.P TJR