Lol, give me heat and I want it now!! I'm old and getting older, heat has never really bothered me. Oh, I swear at it like everybody else, when it's bad, but my tolerance of it is pretty high. Just wait young ones, you'll like it too, when the bones and joints get old
Light. Argh!! My cave is just that, very light controlable. Only certian kinds of electric lights are permisable. Actually have to go shopping for another today. The main one, is one of those really expensive ones, ott, I think they're called. The Wife is going to do some needle point and would like it back. I have pressure in my eyes, it isn't glacoma, also have optical migraines. Even cloudy days can and are overbearing to me. Dark dark glasses when going out, but have yet to find the correct kind for inside. At times I need light to see things and having the shades on in the house can be a pain in the butt. The Wife has her needs for light and it would be unfair for me to just board up all the windows, so to speak. One must also be carefule as lack of light can lead to some depression.
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Just enjoy what you do, as best you can, and let the dog out once in a while.