Doctor & Patient

Case 1A doc is seeing one patient in clinic who seems upset.Dr: "How can I help you?"Pt: "Sigh..i accidentally drank a whole bottle of petroleum this morning..am i going to die?"Dr: "Not really..well you just have to avoid smoking for these few days.."Case 2A patient in psychiatric ward is singing on his bed.At first, he sings lying down with his back on the bed. And sings and sings and sings....