My mom sent me a forwarded email joke with a picture of a little golden puppy. The following email conversation ensued:

Me: Don’t you want a dog? Can we get you a dog? How about a cat? Don’t you want a cat?
Mom: I love dogs, but I have never have pets in my life, I don’t know how to take care, and your dad refused to help! Also, I won’t be free for travel. Maybe wait until I am old and unable to travel, I can take care dog, cat and your children for you!

[Hmm, that was a very unsubtle hint about grandchildren.]

Me: Great! So now I know, when we want to travel, we can leave all the people and animals with you. Maybe we’ll get some fish, too. And a few birds. You don’t mind loud parrots, right? You’ll have a farm whenever we go on vacation.
Mom: Whatever! Ha!

What does that mean? So can I leave all my future animals and people with her or what?