Describe how emotional status with vague are hard to determine in different study.

I did my Action of plan, my doctor need me to redo it ( You will find My doctor feed back in the paper) please see attachment Also she send an email to me ans said :
( I attached my feedback on your Plan of action, Please revise and resubmit final. I strongly recommend looking at self-confidence rather than emotional status which is vague and hard to determine (maybe a different study in itself)