Sorry if I wasn't clear, I meant that most people I know seem to shower for >>2 minutes, so I doubted the credibility of the comparison.
Clearly, if you are fairly consistently sticking to 2-minutes showers, that's going to be more economical than baths -- even with some degree of sharing.
Clearly, if you are fairly consistently sticking to 2-minutes showers, that's going to be more economical than baths -- even with some degree of sharing.