These are extremely wise, honest words.
When I finally get to my goal weight I plan on giving myself the same 5 pound threshold. I think that's the mistake a lot of people make- they hit goal then get too relaxed. "oh it's only a 7 pound gain, no biggie" and "I'm still only 11 pounds from goal". Before they know it, they're now 40 pounds above goal and are going "I don't get it, I didn't change anything, how did I gain?!"
I hope others read this blog post. It's excellent!