PDApet System Metaphor PDApet PDApet System Metaphor PDApet is comprised of two parts. As such, he is responsible for taking care of them.
Pets get hungry, lonely, bored, etc.
If the babysitter does not take care of his pets well, they will suffer ill effects. For example, if a pet goes too long with out eating, then it will die. If it goes too long with out exercising it will get fat. If it goes too long without playing, it will get depressed. The babysitter can remedy these by feeding his pet at appropriate times, exercising it, and playing with it, among other activites.