Yes, @irvinc:
"There are many things out there that also bring joy to our lives. We have to take advantage of them whenever we can because we can't catch time."
They are not coming back, once we let them go by. I've written about this topic as well and reflect often on the need to consciously have a good balance between being inside and being outside.
It is good to read, in spite of the health challenges you face, that you are finding some renewed motivation to get out and about. As much as you can manage it. I wish you well in persevering.