There are three variables [HUNGER, THIRST & PLAY] which tick up by 1 every 5 seconds. Click on one of the three objects [BEACH BALL, BOWL OF WATER, & PLATE OF FRUIT] to lower it by -2! Also, wait until Princess Lay-a gets back to her home before you click on anything else, or it will glitch.
@Zinnea for her helpful YouTube videos!