I'm also older. I tend to spend more time talking to older friends than my classmates some weeks. I'm more likely to head back to the city where I used to live on a day off to see friends I used to work with, or visit friends out of town if I have a break. During the school year, I end up spending a lot of time with my girlfriend and her family that live out of state since I do a lot of studying there.
It really comes down to your preferences.
I'm not saying that it's a bad decision so much as a personal one. There are no guarantees in anything. Poor academic performance during school can also get you kicked out of the accelerated track.
To me, personally, I don't see the point of rushing into this. I did a lot of things in college that weren't related to medicine and I kind of came back to my interest in medicine over the long term. If someone is dead set on medicine in high school, then more power to them. I know that I was not that disciplined then and probably wouldn't have done well in that kind of narrow pathway. I'm a meander-er.
I haven't been on much here in a while, but I remember that we've disagreed with stuff like this before. The beauty of this is that there is no wrong answer!