Read this article from the WSJ (Links to an external site.). Are you or will you

Read this article from the WSJ (Links to an external site.).
Are you or will you be an active investor? Why or why not?
Have you ever found yourself or observed others making the errors described in the article? It doesn’t have to be a financial investment for you to fall into similar ways of thinking.
How do you think investors could discipline themselves so that they don’t make these behavioral mistakes?
Was there anything in the article that you thought was extra enlightening?