Related Clues:

• They often mean 'I see'
• Patient sounds
• "I get it" preceders
• "I get it" preceders, often
• Shows approval
• Sounds during backrubs
• Sounds of contentedness
• They often mean "I see"
• "I get it" responses
• Expressions of satisfaction
• Insightful sighs
• Remarks from the relieved
• Contented comments
• 'Ooh' companions
• Physical reactions?