By releasing her tears without constraint, she follows the dictates of her little body, which is a body forever at the point of liquid expansion. She enjoys the feeling of tears running gently down her face: they are comforting not only to her heart, but delightful on her tongue.
Usually, when people cry, they are addressing their tears to someone else. By weeping, they want to capture attention and perhaps bring pressure to bear upon others. Tears can thus be a sign rather than an expression of feeling. But Zena often cries for her own reassurance; to prove to herself that she is still alive.
And sometimes, late at night, when there is no one around to witness her grief, she finds herself upset by random objects and events, including the contents of her vegetable drawer. Indeed, she recently confessed: I once looked at a carrot and cried.