So, I'm a pedantic git
OK, I'll bite. Surely you meant your "sixth decade" ? And after spending several minutes picking the appropriate icon for this essential post I noticed the tooltip on the Sherlock Holmes one and decison made. I remember geting my first poo-in-the-bag invite: it arrived exactly on my birthday - unlike the "humorous" cards from my relatives. And now back to reading about Perseverance - seriously good software!