I find it is best to fight irritability and anxiety with logic.

Anxiety is fear of pain and loss.
Anxiety causes irritability.

Anxiety is painful.

All we can do is act to change the things we can at this time and accept the things we cannot change at this time. If we do not know the difference between what we can or cannot change or how to accept and change then we must ask for help.

It is important to know how to accept.

Sometimes we must accept that we do not know how to accept.

Acceptance is knowing that if we made it this far, we can continue to make it further.