1. Definitely... Darkness makes our neurons to be somewhat "numb" and our brain doesn't bother to criticize the appearance it sees on the mirror or window and we feel more confident about what we see. It depends on the mood I think. Don't eat too much that day and don't forget to weigh the next morning :D; 2. Our existence beyond mother Earth would be the most undesirable experience for most of us. Being outside everything you love makes you depressive so you begin to make your little world up in your mind and live in there so you never have to leave your grounds. It's like loving someone who lives in a different city or country and when travelling, being closer and closer makes you so happy that your heart pumps out and you feel the happiest person inside you. The experience you mentioned would be the same I suppose. It is hard, obviously, to imagine the thing that never would happen to you, but we have to open our minds for the most un-happenable dreams and fears to experience something more than existing, growing and dying. I would feel the atmosphere when I would see the continents and oceans from above. I would definitely remove my helmet and breathe as deeply as I could assuming that I have reached the city where my biggest love resides. I would like to call my "ნაბოდვარი" the philosophy of reaching your deepest desires. I wish I could; 3. Exercising makes our cells and tissue to produce lactic acid which makes our muscles sore. The cells absorb them to take it to their hidden compartments called mitochondria to break it down with an enzyme called lactate dehydrogenase and make some energy from it. From this physiology side of view I think cells do have empathy on each other.
