This caught my eye.
http://www.targetfocustraining.com/category/blogQuote:
The fact is they are listening to a distant voice — the one that thinks this is a social interaction, a fight… and everyone knows you square off to fight.
The only problem is it’s completely artificial and has the sad consequence of forcing you to try to stick to the script (“I get up, we face off, and then go,”) while he’s ad libbing – tackling you from behind, kicking you while you’re down, starting in before you’re ready, etc.
The belief is that it won’t matter — you’ll figure it out on the fly, highly motivated by the knowledge that this is really ‘it.’ That squaring off in practice won’t matter.
But we all know you’ll perform as you practice, and if you only start once you get up and square off on the mats you’ll struggle to do so while he beats you back down on the concrete.