Combat breathing always helps me to keep calm... Inhale for 4 seconds hold for four and exhale for four hold and repeat... There an app called tactical breathing that counts for you. Helped a lot with getting overwhelmed in other situations. May not be what you meant but every little bit helps.
Commented on Whoops! Bound to happen eventually.
30 Oct 20:40
I got bit this past weekend too... Twinsies!