Related Clues:
- Grows long in the tooth
- Identification tags, briefly
- What grandparents may forget about children sometimes
- Some have photos
- Big differences between grandparents and grandchildren
- Various numbers among family members
- Proofs of who you are
- They prove that you are actually you
- Proof-of-age items, briefly
- Years of life
- Keeps having birthdays
- Gets long in the tooth
- '___ 7 and up'
- You-are-you provers
- Numbers on toy boxes