There's something relaxing and entertaining about a fish tank. Yet, it's also cruel. My fish tank was more like a death tank. Like many little kids, I attempted to care for my colorful little creatures. I liked my guppies, with their attractive tails. I would carefully pick out my favorite fish, bring them home from the local pet store, put my fish in the tank and flush them down the toilet in about two weeks.

My fish died!

Today, I could probably do a better job...