I have honestly gotten out of this habit, and many other habits, in the last seven months as we have been traveling around North America. That is probably one of the biggest struggles I've had is dealing with not having a set schedule or structure in order to cultivate important habits like this.
I really appreciate the reminder of the extreme importance of gratitude in shaping a life and controlling stress. Read several of your posts last night, but forgot about the one you specifically suggested above. Doing that now. Following your stuff!