Hardest part about this age is watching your parents get old, your grandparents get even older/pass, and your other relatives and other adults from your childhood age. I'm fortunate because I still have two grandparents left, though I'm starting to worry about my Grandma's mental capacity. Many of my friends have lost a parent already. One of my friends lives with his dad basically because his dad has so many medical problems, he's the only kid, and his parents are divorced. And once again,
I am fortunate because my own parents are healthy, but they still can't do everything they did when they were younger, which is hard to watch. Then my aunt has one health issue after the other, so I worry about her (especially because my cousins aren't always the most responsible people).
The role reversal is also strange. Suddenly, you are the adult because you have to be. Like, I was used to the adults in my life always being so capable, and now sometimes I'm the one who has to be the adult. Crowds seem to confuse my parents even in familiar places. My dad sometimes gets confused walking around...Epcot. I'm like, how many times have you been here? I had to talk them through converting our Virtual queue at Tiana's over to DAS for my brother, even though we've done it multiple times. Dad doesn't always read signs, so sometimes going places with him is...painful. Especially airports. Technology escapes both of them. And nagging both of them to go to the doctor...

Sometimes I tell them that they're too young for me to have to be doing this.