#3 - Abstemious

I'm trying to be more abstemious myself.

abstemious \ab-STEE-mee-uhs\, adjective:
1. Sparing in eating and drinking; temperate; abstinent.
2. Sparingly used or consumed; used with temperance or moderation.
3. Marked by or spent in abstinence.

They were healthy and abstemious; their chief pleasure was reading and Oliver was a life member of the London Library.
-- Sylvia Townsend Warner, The Music at Long Verney

Source: Dictionary.com/Word of the Day Archive/abstemious