[Of course he's going to have some popcorn. What kid wouldn't?

And gosh it's nice to talk to someone who seems genuinely interested in what he has to say.]

It's more like taking notes on things the Dex doesn't cover. Like differences in environment, eating habits, and so on that can affect how a Pokémon acts with or without a trainer. Even things like why some have "shiny" fur and others don't.