Here we actually get a glimpse at some of the complex inner workings of Wally’s mind.
I’m not sure what it is, but we all love to feed animals, all over the place we see signs that say “do not feed the animals”, because they know we will, because we love it. I don’t know if it’s some built in nurturing thing, but we love to give them snacks and pat their little heads…. and most animals seem to love a free handout.