Congrats on the weight loss. I'm jealous, I would love to be able to tell people "I was in a Haboob", just because it sounds cool. It's OK to use the scale for motivation, just don't go the other way when you see the occassional pound or 2 get added. My weight can fluctuate 5 lbs during the day.
Good luck with the Iron Throne. Remember to watch for those White Walkers.