Related Clues:

• 'It's the truth'
• ''Really!''
• "Really!"
• “Believe me!”
• ''And that's ___'' (''Believe you me'')
• "That's no lie!"
• "I kid you not"
• ''No fooling!''
• "I swear!"
• 'Honestly!'
• "I'll swear on a stack of Bibles!"
• Words of fealty
• "Cross my heart"
• 'For reals!'
• 'No lie!'