I'd want a toilet that was not just a fan of human waste, but a connoisseur. We could have lively chats about what I've eaten lately, and the toilet can provide dietary recommendations and real-time waste monitoring for potential issues.
"Sir, you have really been overdoing it with the greasy food lately. I have to recommend that you add more fruits and vegetables to your regime, and I would politely request asparagus at least once a week. I'm also concerned about your cholesterol..."