I correspond regularly with many of my students.
I usually work with people on one, possibly two things if one of them is a setup issue.
Golfers have a laundry list of things they think of. A plethora of putrescence, if you will.
What I was unaware of was when I tell someone to work on a simple thing or two, they add it to their laundry list!!!!!!!!
Take your laundry list and eliminate all but the most important one.