Notes: Titus 2:2

Older men are to be temperate, dignified, sensible, sound in faith, in love, in perseverance.  (Titus 2:2)

Age matters.  Those with experience should set an example for those to follow. 
It is expected that the older men of the church behave in a manner befitting their years.  They should be temperate, or sober.  Vigilant would be [...]