"Yes. He said his own self was compelled to sort of stand by while the—the intruder used his voice and body. He knew the thoughts of the other, but only when it was dominant. The rest of the time he couldn't tell its thoughts."
"And how long has he suffered from these—intrusions?"
"As long as he can remember. As a child he was blamed for the other's mischief, and when he tried to explain, people thought he was lying to escape punishment."
"Well," observed the Doctor, "I can see how they might think that."
"Don't you believe it?"
"I don't exactly disbelieve it, Honey. The human mind plays queer tricks sometimes, and this may be one of its little jokes. It's a psychiatrist's business to investigate such things, and to painlessly remove the point of the joke."
"Oh, if you only can, Dr.
