I wouldn’t classify myself as very successful. Probably because I spend too much time focusing on WaniKani and making help threads for others users here like these:
Guide for using Anki 2 with TextFugu:
http://www.textfugu.com/bb/topic/guide-to-using-anki-2-with-textfugu/
Track your progress and share your ideas/concerns when you finish a season (gain a level ^_^):
http://www.textfugu.com/bb/topic/textfugu-season-completions-for-great-motivation-of-heart
List of additional Japanese resources you may find helpful:
http://www.textfugu.com/bb/topic/japanese-learning-resources/
List of Common Errors in TextFugu:
http://www.textfugu.com/bb/topic/common-errors-in-textfugu/
It’s a sickness I think… @_@
So I would echo Joel’s answer in saying, Not enuff!