Go self employed , you will be so much beter off without those pushy demands on you. Do not give up your skills because you are so brassed off. You have worked very hard to achieve what you have to date.
Have a little time to see if you will be able to startt afresh..... but just on your own.
Don't give up , I was rubbish at selling all the stuff, but what I could sell was decent treatments that actually worked and had my faith in them. You sound the same, very honest and no fake sales.
You will get a reputation that clients will like and I am sure not driven by the speed of a rushed salon ,you will be happier.
All the best.