Related Clues:

• "Seriously!"
• 'It's the truth'
• ''__ any wonder?''
• ''Really!''
• "Really!"
• Beyond reproach
• ''Where ___ written ...''
• "Oh, really?"
• ''And that's ___'' (''Believe you me'')
• 'What -- now?'
• ''I'm not kidding!''
• Reply to 'that a fact?' (4)
• ''. . . or __ just me?''
• "I kid you not"
• Without guile