Raising Your Bimbo's Happiness
You can raise your bimbo's happiness through various means. Certain foods will either increase or decrease your bimbo's happiness, and the closer your bimbo is to her ideal weight, the happier she will be. Taking your bimbo dancing at the club or to the therapist (both found in the city) will increase her happiness as well, and if your bimbo has a pet, playing with it will increase her happiness.

Things That Will Decrease Your Bimbo's Happiness
Certain foods, sickness, medications, break-ups, the death of her pet, and straying too far above or below her ideal weight will cause your bimbo's happiness to decrease.