How would that save water? Surely you mean getting someone to urinate on you, or attach a tube to your penis/vagina, whislt in the shower with the shower turned off. I tried the former with one of my ex's, it was great fun.
Was paying just over £20 pcm before meter. When meter went in they put it up to £35 pcm. I left it for 2 months and then phoned in our reading and we were £75 in credit and they reduced it to £15 pcm. 2 of us in the cottage and we're careful with water usage. It sounds nerdy but things like...