So? Mushrooms look like food, but not all of them are edible.

[Rin how does this analogy work... Too bad, he's already moving on to the topic of birthdays. His face lights up a little. It's not a bad thing to not have a real birthday, but there was an easy solution for everything!]

Huh. You haven't had a birthday before? Then take today as your birthday. It's as good a day as any.