1. What if, like me, you shower very quickly - could that be less water than a bath ?
2. What if you share a bath with a friend, ie share the bath - or the bathwater (obviously not after a midwinter, army area orienteering event!)? If you share the bath there is less room for water, and two people, so surely that must be less water than two people taking a shower (together or separately)? So what about if you jump in the bath after your very clean, closest friend, without changing the bathwater - is that, per person, less water than two showers?
This is beginning to sound like the 'you know it's not butter' episode of Vicar of Dibley but I would like to know the answers or should I just get a Saturday night life?

ps I'm raring to go for the Peter Palmer results later on in the night - go AIRE!