I remember somewhere in my 40's getting this sense that everything was crystallising and it was a bit unnerving like you're going to end up set in cement but not wanting to resist it and yay instead of feeling hidebound or set in my ways I found I still felt flexible.

and now I am challenged again to accept my maturity and my goodness me it is a very big deal, I mean good grief yes it is and a few hail Marys needed, yet as I do I find myself feeling as young as ever. 

I've heard that our noses continue to get bigger all our lives.