Kuzushi. Is great. Harmony is great. And I know this has been debated thousands of times, but Kuszushi alone will not be very helpful in a self defence street fight situation. ... I realised that no matter how many ukes I have thrown to the dojo mat (and even I had to fight just one of these guys) I wouldn't be able to deal with him just by applying Kuzushi.
"Just" applying kuzushi?
In my experience, gravity hits pretty darn hard, if you let it.