明日5月15日は『ヨーグルトの日』らしいです。
子供の頃友達の家に遊びに行った時やたらと濃いカルピスが出てきて『この家は裕福なんだな』と子供ながらに感じました。

Apparently, 15/5 is the Day of the Yogurt.
As a kid, whenever playing at some friend's place, and they offered Calpis that felt awfully thick, I would always feel "This family is doing good for themselves"