Related Clues:
- Numbers on some birthday cards
- Improves, as steak
- Gets ripe
- It's been a long time since know-alls lost the head
- 10 and 8 for Bart and Lisa Simpson, respectively
- Seasons, as firewood
- Numbers in family-photo captions, maybe
- Numbers on educational toys
- Improves naturally, as wine
- Real long time
- Some census numbers
- A long time!
- Numbers following copyright symbols
- Tried to abandon tragedies for a long time
- Many moons, so to speak