E asked me what a broken heart is last night. "How do you break your heart daddy? Does it bleed when it's broken? Who fixes it? Do you go to a heart doctor?"
Interesting as he starts to comprehend more metaphorical uses of language and develop a sense of figurative speech, he is asking more and more about metaphors. "What does 'hit the road' mean? We're not actually going to go hit the road are we?"