How to Keep a Bath Warmer for Longer

"I don't think a human body is enough to keep a bath warm. No, it's not," he says. "Everything is getting rid of heat goes through the heat." He then realized that one of the solutions for keeping a bath hotter for longer is to preheat the bathtub because the bathtub itself will start to dispense the heat depending on how well insulated the bathtub is.