You could wash a car in half that time
cleaning the bike today - ready for tomorrows commute and I have just seen the weather forecast for London on the news..
Quick wash only today, knowing the forecast. Hee Hee.
You could wash a car in half that time
or 2 hours on each and that's an afternoon used up, only for the OH to come home and ask 'what have you actually done this afternoon?'