Related Clues:

• "__ you sure?"
• ''__ you kidding?''
• Contemporary art?
• 'Why ___?'
• 'You -- what you eat'
• Exists
• Word with so or interested
• Negative function word
• National Do __ Call Registry
• With 40-Across, later
• '-- you crazy?'
• ''Diamonds ___ Forever'' (1971)
• Coexist
• -- -for-profit
• ''__ you sure?''