Answer:
Peoples writing gets worse over the years because it couldve indicated a neurological or muscular problem. When someones good handwriting changes and becomes messy, slopy, illegible or shaky, that might be a sign of an essiential tremor, Parkinsons disease, writer cramp, or ataxia. Also, if you keep writing, and you don't edit your pieces, or have anyone look at them, or try different things with them.....your just making the same mistakes over and over again. Reinforcing them. And yes, reinforcing those mistakes coul'd make things worse.
Explanation: