Education is an important factor to have a good resolution of knee cap pain AKA patellofemoral pain.

Education is very important in managing knee cap pain AKA patellofemoral pain.
http://blogs.bmj.com/bjsm/2018/04/03/is-education-more-important-than-exercise-in-treating-patellofemoral-pain/

Training load vs. Capacity to handle load