I killed last night, for the first time. I cried. Poor mouse.
The little beastie was so brazen. He hung out in the livingroom with me for a while. Then, while I was cutting up a hershey's kiss to bait a mousetrap, I had to walk away for a minute. When I came back moments later, the mouse was trying to escape with the entire kiss. Also, I had forgotten to put the bread back in the microwave, and it had nibbled on the edges at some point, but seemed to have struggled with getting through the plastic.
So, I set the four traps that I had-- three with chocolate and one with peanut butter. And shortly: snap! The trap crushed its skull, right through the eyes. I know it had to be done. But I felt like the worst person ever. Insects and microrganisms, I can handle. Mammals are a different story.
Also, I had no idea how to set a snap trap. If you don't know either, here's a video to download:
http://www.victorpest.com/mouse_instructions.htm