> For years I heard a lot of talk about how exercise was good for mood and cognition. But as somebody who hated sports, I filed it under "blah blah".

I know exactly what you mean. I don't know whether it's a result of taking LSD or just getting older, but for a lot of things where my initial reaction would be indifference or opposition, I've come to think: Wait, those people actually have a point!

There is also that difference between (rationally) understanding something and understanding something, attaching meaning and value to it.