I used to laugh at folks when I was younger talking about getting flustered with a LARGE covey flush , well that was until the first time I had an actual big covey flush in front of me (wild birds not pen raised) . Think I missed the first trying to shoot between and then got one with the second barrel .
Since that time it's never bothered me again , but that first big flush got me a little
Two grouse in the air from a solid point can be a little unnerving sometimes . Especially when you don't expect them as close as they happen to be .