It was not fake, just exaggerated. You could see in Haye's face the level of focus he had, never seen him like that.
Don't underestimate what a tear up can do, hence why they call them "straighteners"
This^^.
Seen people I know needle each other for weeks, eventually come to blows, then sit down for a beer and a spliff and be bezzy mates again after. Just needed to clear the air sometimes.