More than the quality of my handwriting, I find that my ability to write for longer periods has diminished. When I was a kid, we used to hand write 3 hour exams

More than the quality of my handwriting, I find that my ability to write for longer periods has diminished. When I was a kid, we used to hand write 3 hour exams without breaking a sweat. Now I can write continuously for maybe 15 mins before having to stop. Kinda sucks.