Possible Clues:

• Let --- (drop the matter)
• "Let ---!" (advice to the obsessed)
• Let ___ (decline to take action)
• 'Let ___' ('Stop worrying')
• 'Let ___!' ('Relax!')
• “Just let ___!”
• 'Make ___ away'
• “Let ___!”
• 'Just let ___, man'
• "Just let ___, man"