If a person's energy is down, eithe...
If a person's energy is down, either give it an energy drink or keep letting it take naps or go to bed (it might take a few times)
If a person's happiness is down, buy new things for it, praise it, feed it, clean the house, and don't use the scolding hand.
If it's hungry, buy food at the store
If it's health is down, make it take a shower, clean the house, or use a towelet or hand sanatizer.