To measure your own brain age would be a significant dilemma for me (and most people I think), cause if you attribute any significance to it you could start bla

To measure your own brain age would be a significant dilemma for me (and most people I think), cause if you attribute any significance to it you could start blaming the inability to learn something (when sometimes you just have to keep trying) onto yet another factor you can’t control. Just talking off the top of my head though