You must take care of yourself, or you are no good to anyone else. Don't ignore how you feel in hopes things will improve or it will go away. You feel that way for a reason, and if you can do the work to figure out why, you will be so much better for
I did not happen to learn this a long time ago, only a few months ago. Give it some thought. Turns out to be true. They are not entitled and they will think what they want anyway.