As a general rule of thumb, never cross an Irish woman.
And if her eyes narrow and start flashing, head for the pub.
"Then the kings of the earth, the nobles, and the military commanders, the rich and the powerful, and all the rest who served them hid in caves and sheltered among the rocks of the mountains. And they implored the mountains and the rocks, 'Fall on us and hide us from the face of the one who sits on the throne, and from the wrath of the Lamb. For the great day of his wrath has come, and who then will be able to stand?”
Revelation 6:15-17