I completely agree that that would be a more effective approach, and we should all campaign for it. That isn't the world that we live in though, so instead I ha

I completely agree that that would be a more effective approach, and we should all campaign for it. That isn't the world that we live in though, so instead I have to choose not to be selfish. FWIW, I don't wear fancy thermal underwear. I do accept that wearing a warm jumper during the winter (while heating my house to 19 or 20 degC) is a perfectly reasonable compromise.