Yes.

But there are things you say as a young person that are revealing of core personality traits.

Most people would just not say that.

Yeah, I'm inclined to think people can grow. There's a reason juveniles convicted of crimes, even serious crimes, should be given a second chance and are given a second chance in most civilized places.

College is where things start to firm up for most people, though. I don't think I've ever known anyone who was a terrible person in college who turned out good.

The child is the father of the man, as Wordsworth said.