Funny Birthday Card by ColorfulDelight on Etsy - and then on the inside you could write something like : "So there is such as thing as too much of a good thing" or "So I guess the expression 'Everything in moderation' makes some sense after all"
Who doesn& love Puns? Check out these adorable cards made by a company called ImPaper. Whatever the occasion may be, these cards make great entertainment. Soy check them out! (You& understand the reference once you see them)