"I forget everything between footsteps.
"'Anna!' I finish shouting, snapping my mouth shut in surprise.
"My mind has gone blank. I don't know who Anna is or why I'm calling her name. I don't even know how I got here. I'm standing in a forest, shielding my eyes from the spitting rain. My heart's thumping, I reek of sweat and my legs are shaking. I must have been running but I can't remember why.