It will also thank you. I used to put milk out for one that hung around my place. One day it brought me a mouse :) If not for travelling around to work and not knowing if it had an owner, I might have kept it. The previous tennants were Indian and bought rice by the barrel. I caught 21 mice the first night (lay down, almost asleep, "snap!" ) and 17 the next night. I kept tally on a door frame by the stove where I placed the trap - the painter pissed me off so I ran him off before he could finish.