Related Clues:

• 'Truth!'
• 'I mean it!'
• "No kidding!"
• 'Honest!'
• 'Seriously!'
• 'I'm serious!'
• "It's true!"
• ''Really?''
• 'I kid you not!'
• 'It's really true!'
• ''Cross my heart!''
• "Really?"
• "Honest"
• "Cross my heart!"
• 'For real!'