You can do this! Take it a step at a time, minute by minute if you have to, reminding yourself often that you are a wonderful woman who is loved. Everything will be OK; your students will undoubtedly be delighted you're back and, in time, you'll be delighted you have your life back.

I myself went back to work a couple of weeks ago and was nervous as well, but most people were glad to see me again. I pray your experience is similar!

Let us know how it goes.