Related Clues:
- It takes years to do it
- Mature, as wine
- See 34 Across
- Reason to retire
- Fatigue factor
- Yellow or gray
- Sore point, for some
- The big 4-0, for example
- Word with information, new or old
- Turn red, as an apple
- Bouncer's concern
- Become ripe
- Turn red or yellow, say
- Number that changes once per year
- Vital statistic