Do you use up all the hot water in the shower?!

Question:

Do you use up all the hot water in the shower?

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Answers: No.. 4 mins MAX. We have tight water restrictions here in australia. not all the time never, i actually use up most of the cold water!!
It's hot where i live... Not any more...4 minutes max
living in drought Sometimes....usually...all the time. nope ...nope...but my 21 yr old son does...he's been like that since he was a kid...oh...where did I go wrong ? :(

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