Possible Clues:

• “Am I the only one thinking this?”
• Self-appraisal query
• Breakup question
• 'Am I nuts?'
• "Am I crazy?"
• 'Am I crazy?'
• "Doesn't anyone else see this?"
• Question said while pointing to yourself
• "Surely I'm not the only one?!"
• "Does no one else think this way?"