the answer is in hindsight.

you do.... and only then can you see and adjust based on the outcome.

does absolutely no good in the middle of a situation.....
other than to learn for next time.....
and a lot of times it feels like there won't be a next time....
so that is the responsibility of the other person involved....
to make sure that, no matter how bad this time is....
that there will be a next time.....