I have spent a lot of my life complaining but it is time to start practicing being content with what I have for (lack of f***'s) sake :p
Philippians 2:14
14 Do all things without murmurings and disputings:
James 5:9
9 Grudge not one against another, brethren, lest ye be condemned: behold, the judge standeth before the door.
1 Peter 4:9
9 Use hospitality one to another without grudging.