We all enjoy a good laugh and I reckon that these particular moments are about the best around.
So give up your own blonde/ senior moments for mutual enjoyment and embarrassment.
I'll start (this is what produced the idea) :-
Okay I've been looking at building up my computer with water cooling. I've researched EVERYTHING (you should know that when an INTP says that it's to be taken literally) for the last month or two! I know what to buy from where, what works best with what and what's worth the money and what's a pile of rubbish.
I just ordered all the parts. I had 2 spreadsheets to assist me in making the decisions of where to buy it all from. I was organised damn it.
Just one thing that I forgot.
It kinda makes all this nice new tech turning up tomorrow so much scrap metal and wasted money.
I forgot to order the frickin distilled water to put in it!!!!