OK, Ms. Guinea "furry critter" potter............this is from MY experience, so try not to personalize or view as targeted criticism...that is not where I am coming from
When I was a student at the School of the Arts (Crafts Department, VCU) several instructors gave me painful "pull-ups". Pull-ups are blunt, sometimes harsh, reality checks that are used in an old-school drug treatment modality called Therapeutic Community. Screw up, and you'll find yourself scrubbing baseboards with a toothbrush or sitting on the Hot Seat to receive scorching feedback, or getting onerous pull-ups from the community.
Well, I had an instructor who was forever giving me pull-ups. And I really got my feelings hurt and got very discouraged and was about to quit school. He'd say things like "Art is not therapy...it you need emotional help, get out of my class and go see a social worker." This type of comment might be delivered after I had to defend my lopsided vessel by disclosing that it was "off' because my hands were shaking when I centered because I was upset about "something".
The day I was going to quit I ran into another art instructor, and I was crying at the time. She asked what was wrong, sat on the steps with me, listened while I moaned about this instructor, and then said "Don't you dare quit. You just do your best and come see me if anyone gives you any ######." I lived to fight another day, and earned my degree.
(What neither of them knew was that I was in the shape I was in because I had been severely beaten by someone who knew how to not leave bruises where they show, that I was in a shelter with my toddler, that the batterer had totally destroyed my portfolio the night before the final critique, and that voc rehab was only very reluctantly paying for my school because I refused to work at McD's where they tried to place me. I insisted...with threat of legal action, since I had/have disabilities...that I could do something about and with my life if I could just go to art school.)
Long story long: I had to get off the pity-pot, stop awfulizing and cease whining about my sorry state of affairs, stop victimizing self, (participating in the killing of my own spirit by staying stuck), cop a positive attitude, and otherwise get a grip and make tough choices and tough changes to get myself out of the morass. Making a daily Gratitude List, as much as I hated it, also helped. I had so little gratitude that I had to start by listing my ten fingers and ten toes, I kid you not. Oh, and I did avail myself of some therapy.
Eventually I came to see that the comments on my work that Mr. No Sensitivity provided were just as valuable, in terms of improving my skills, as the pep-talks from Ms. Nice-guy. Today, I have to own the fact that, by virtue of being a student, I ASKED FOR feedback on my work, and thus can't complain that I got it! LOL