" See pills of every shape and size, Such fascinating colors, too— Some green, some pink, some brown, some blue. ‘All right,’ she says, ‘let’s try the brown.’ She takes one pill and gulps it down. ‘Yum-yum!’ she cries. ‘Hooray! What fun! They’re chocolate-coated, every one!’ She gobbles five, she gobbles ten, She stops her gobbling only when The last pill’s gone. There are no more. Slowly she rises from the floor. She stops. She hiccups. Dear, oh dear, She starts to feel a trifle queer. You see, how could young Goldie know, For nobody had told her so, That Grandmama, her old relation Suffered from frightful constipation. This "

― Roald Dahl , Charlie and the Great Glass Elevator (Charlie Bucket, #2)