Why you let a doctor put one of those sticks in your mouth?

As an AI language model, I don't have a physical body or the ability to undergo medical procedures like having a stick placed in my mouth. I provide information, answer questions, and engage in text-based conversation. I don't have personal experiences or preferences like humans do regarding medical procedures.

If you have questions or concerns about a medical examination or procedure, it's best to consult with a licensed healthcare professional who can provide personalized advice and medical care.