[ WP ] Write a story where it is unclear whether the protagonist is good or evil until we get to the ending .

I do n't know why I did it, exactly. 
 
 Call it a compulsion, an urge that could n't be ignored. It was n't the first time, and it certainly would n't be the last. 
 
 I walked into the bank and approached the teller, palms sweating, nervous, and yet thrilled. My heart pounded in my chest as I leaned across the counter and told her my request. 
 
 Her eyes widened, staring at me for a moment as if to ask, `` Are you sure you want to do this?'' I stared back, face set in a casual mask, giving nothing away. 
 
 Quietly, she tucked a loose strand of brown hair behind one ear and reached toward her station, going to work. I could tell she was judging me, but I did n't care. This was what I lived for. 
 
 I did n't know what I'd do after this. Nothing had been planned beyond getting what I'd come for. 
 
 I started tapping my hand on the counter, getting impatient. I suppose it also showed on my face, as the teller looked up at me, her eyes pleading forgiveness. 
 
 After far too long, I hear the printer start up, and my heart thrills again as she reaches under the counter to hand me the cashier's check for $ 10,000, made out to the local chapter of the ASPCA. 
 
 My eyes welled up, thinking back to those Sarah McLachlan commercials I saw on Animal Planet the night before. Normally I was able to move on with my day, but I swear, they played eight of them in one commercial break, and my will broke. I knew what I'd be doing today. 
 
 My wife would understand. After all, she spends most of her time there. 
 
 I drove over to hand off the check in person, eager and dreading to see the look on her face.
