But I'm not willing to trade my health.
Good. You did the right thing here. Society too often accepts self-sacrifice as some sort of ethical ideal. It's not. It's terrible, and it leads to the absolute best people living the absolute worst lives.
I hope you find some way to fulfill your desire to help that will still leave you the time and energy you need to take care of yourself. Oxygen mask instructions apply.
For now, I'm organising video meetups to keep the people around me sane. It's something.