Playing with pets question

[Queenygirltara]

People keep posting that they played with my pets and I'm wondering why I care? There.doesn't seem to be a benefit to me?

[kattybell]

They're just letting you know they stopped by, you can delete the comments on your wall.

[kooky panda]

Members will post on your wall that they visited you and played with your pets(it helps you make more coins), so you will return the favor at their shop.

[mandymaet]

Members will post on your wall that they visited you and played with your pets(it helps you make more coins), so you will return the favor at their shop.

It dose in my attempt to test that I've yet to get a bonus of any kind so i feel what's the point