I dont use central heating many winters either, I think some people are used to been bathed in heat and its hard for them to adjust so they see people like me as doing the impossible, but I was brought up in a cold house and I simply carried on living the same way no adjustment.Useful Telegraph article on a poor rich woman who lives without central heating.
Gets by with just a wood burner, heat storage system and electric heaters. A lesson to us all.