Related Clues:
- Sum of all years?
- It's just a number to some
- Lifetime?
- Box marked "M," "F", or "Yes, please!"
- Type of education
- Secret of the vain, perhaps
- Topic for Dr. Ruth
- Dating concern
- Acquire wisdom, so it's said
- 18, e.g., as a minimum for voting
- Census question
- Bartender's concern
- Candles representation
- It goes up annually
- Number of candles on a cake?