We're glad to have you back!
Work isn't the only way one contributes. We contribute to our family and our friends and even by being a decent, kind person. I think, by that last definition, you have contributed a great deal.
Stick to your physiotherapy; it's always a good thing.
She said it all. I'm glad that you are back and that you are working to improve your quality of life.
Yeah. This pretty much sums it up. Nice to have you back, Miss Chicken