His pride went to war with his sense of self-preservation... and then he had a thought. So it was a spa. So what? They were supposed to be relaxing. He could use a little less stress. Maybe he could turn this to his advantage and actually kick back, and quietly, subtly, teach Gos not to try and outsmart her father.

"You're right. If I want you to stick to a commitment, I need to practice what I preach, don't I? Sure. I'll go."