The day the energy-based system we live in crumbles, and we revert to living in yourts and caves, hot water and the various assorted comforts are not what I will miss the most.
What would impoverish my life in a more profund measure will be losing access to beauty, as provided to me by just clicking, say, here and see and listen to Sumi Jo:
Really, what a loss !
I'd miss music and beauty, but I'm certain I'd miss hot showers before (scratch, scratch, itch, itch) In the long run, we're all dead. John Maynard Keynes