It's all potty all the time around here. So much so, that we see potty signs everywhere. The first time Silas signed "potty" when we got to this page I rushed him to the bathroom where he protested loudly that he did not, in fact, have to go potty. It was only after subsequent times that he signed "potty" every time that we got to this page that it hit me. Oh! He-who-will-not-eat-green-eggs-and-ham is signing "potty" and Silas is just pointing it out. And you know what, he's absolutely right. That does look suspiciously like a potty sign. Smart kid.