Related Clues:

• Has another birthday
• Subjects of white lies, sometimes
• Gets mellower
• What seems like forever
• Iron and Bronze, for two
• Expands
• Piles on birthdays
• Golden and Bronze, e.g.
• Gets better?
• Shakespeare's seven
• Loses immediacy
• Word on a toy package
• Who-knows-how-long
• Long periods
• Sits in the cellar, maybe