a: do you have a funny taste in your mouth today? from the juice or the pizza last night?
a: oh. yeah, me neither......
j: what kind of taste?
a: i can't tell. not iron, like when i eat cinnamon toast crunch. more like... aluminum... i think...
j: weird. did you eat a tin can?
a: oh crap, i totally did
j: well there's your problem