Usually people stonewall as a protection against feeling psychologically and physically overwhelmed, a sensation we call flooding. It occurs when your spouse’s negativity is so intense and sudden that it leaves you shell-shocked. You feel so defenseless against this sniper attack that you learn to do anything to avoid a replay. The more often you feel flooded by your spouse’s criticism or contempt, the more hypervigilant you are for cues that your spouse is about to “blow” again.
