Probably an old joke told at our staff meeting today....
Patient: [anxiously] "Doctor, doctor! You gotta help me! I keep thinking I'm a wigwam. No, I'm a teepee. No! I'm a wigwam. No! I'm a teepee! No, wigwam! Aaah, teepee! Wigwam! Teepee! Wigwam! Teepee! ..."
Doctor: "OK OK! Calm down.... I...