Kids can sometimes ask the toughest questions.
Son: 'Father, Can I ask you a question?'
Father: 'Ok ask.'
Son: 'When a doctor doctors a doctor, does the doctor doing the doctoring doctor as the doctor being doctored wants to be doctored or does the doctor doing the doctoring doctor as he wants to doctor.'
Father: '!?!'
Next Joke: Four doctors who had not seen each other since their surgical residencies met at a medical seminar