I Think I'm A Chicken! 我总感觉自己是只鸡! 

Psychiatrist: What's your problem?
精神科医生：你怎么了？

Patient: I think I'm a chicken.
病人：我总是感觉自己是只鸡。

Psychiatrist: How long has this been going on?
精神科医生：这个问题困扰你多久了？

Patient: Ever since I was an egg!
病人：从我还是个蛋的时候！