Mine is forgetting my game plan the instant my foot hits the front deck and I revert to my thought process as a teenager. It's kind of like what happens when you head into a room to do something and as soon as you pass through the doorway to that room, you forget why you were going in there (anyone over 50 can relate). In my case, I research the body of water, the weather for the previous few days as well as the current trend, put together a plan and a back up in case I'm way off base, etc. l go over the plan in my head as I drive to the lake, to the point that I visualize putting it in action, launch the boat, park and untie from the dock and the second my foot hits the deck...................................