Of course, we need fewer calories, BUT most people are missing the big picture: when we try to lose weight, our brain views the drop as life-threatening, then just increases the hunger hormone (ghrelin) and aggressively reduces our resting metabolic rate!
The music in the bath scene differs depending on your RO. Each RO has their own theme in Cantata; you can find links to each on the in-game credits page. 😁