Three years later I lean back in my office chair at the end of my shift, bones aching with exhaustion. I'm still in green scrubs from surgery earlier, my white coat tossed across the desk from where I staggered inside here an hour ago. It's been one of those endless shifts, a blur of caffeine and stress, and all I could do when I reached the sanctuary of my office was collapse in the desk chair and type up my notes. Now my limbs are stiff. Tiredness squeezes my temples. Need to move; need to force myself upright and home to bed. The thought of my beautiful wife waiting for me there... that gives me a burst of energy. I sit forward with a groan, rolling my aching shoulders. There's a soft knock at the door. Theresa slips inside and I sit upright, some of the tiredness bleeding away at t

