[KarlInOhio]

Raisin Bran is my night time cereal of choice ... keeps me regular.

Signs you are a proper grown up (and then some):
     You worry about which cereal will keep you regular.

[dfwgator]

Signs you are a proper grown up (and then some): You worry about which cereal will keep you regular.

Which is why I eat this.

[knarf]

And if I left my teeth on the nightstand or actually put them in that plastic thing with the fizzie.

[Bloody Sam Roberts]

As an adjunct to that for men;

You know you are getting old when you have to shave your ears.