I probably would have welcomed this when a young single woman (until I went on the pill). My first day every month was HELL, heavy bleeding, clots and terrific pain, but strangely only on the first day. Dad used to give me whisky in hot water, which I hated, but bless him he was trying to help me and I was grateful. I also used the old hot water bottle too. I never took any time off work, just loads of painkillers and muddled through. Would I have been glad of that one day off a month back then - hell yes !!! Somehow though, I can't see it becoming law.