Zoe frowned, "What do you mean you don't have a.." she trailed off and the saddest look came over her face, "Oh. Because.." well she could imagine that being created like he was and how long he'd been alive.. you wouldn't really keep track of something like that. "Um.. well do you have something like it?" he must have something that was like a birthday. And it was Greed. He loved stuff. What better reason to get attention and gifts than a birthday? (Unless you were Zoe)