Related Clues:

• Piles up years
• Lifetimes
• Numbers on almanac covers
• Starts acting grumpy every session like four- and five-year-olds
• Improves, as wine or cheese
• Keeps having birthday parties
• Indeterminate long time
• Is infuriated to lose leader for a long time
• Gets more mature
• Decade makeup
• Def Leppard "Rock of ___"
• Timeless music is popular for ___
• What even the prettiest pop star does
• "New Dark ___" Bad Religion
• What Springsteen played for, in the day