Having an anxiety attack? Ugly crying, and you can't stop? Fill a large bowl with water and ice. Put your face in it. Hold your breath. Repeat. Viola! Next time you're dissociating, or you just ...

The ritual goes like this. Hall wakes up early, grabs a bowl and fills it with a glass of ice before topping it up with a bottle of water and some lemon halves. It’s not just any water, either. This ...