I'm noticing real improvement with the fans, despite the wobble and dropping. I can tell I'm more confident, stronger, and faster. And: I'm determined. I didn't have to practice them yesterday - I'd already gotten in my 30 and then some - but I didn't want to go three whole days without practicing.
In the middle of the night I woke up to go pee (YAY for me drinking water) and discovered that my abs were on fire.
I knew it!