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I do not urinate in my own back yard. Also, melting ice takes a lot of energy. It's a lot quicker to do it with water near boiling temperature than with water near body temperature.

You seem to be man with hard rules..😕

I'm not going to start pissing in my driveway in broad daylight to please some strangers on the Internet. :D It's different if I'm in the woods or in a park somewhere and nature calls with no public toilets in sight.