I caught my son holding a bobby pin and sticking it in his ear (he is 16mos). I took it away the second I saw it, but since he s been putting his finger at his ear and scratching it (the ear hole), and he cried for about minute after I took the pin away. There s no bleeding , but there is a light smell. Should I be concerned about the pin? Or was he doing it because his ear was irritated, infected possibly?