It was nice of Bed Bath and Beyond to send you those replacement batteries! What great customer service! Batteries are so expensive.

The cats hide if I let them catch on that it's nail clipping day. It's going to be hard to catch her because she needs medicine for 10 days in a row, and she'll be expecting it. Catch her whenever and wherever you can, as long as it's not too close to the food dish or litter box.