What is the best and the worst thing of having or not having a dog?

The Worst? Having a perpetual five year-old (almost human sort of), child around your home that will pester the absolute living crap out of you 24/7/365¼ for your undivided attention.The Best?Having the same perpetual five year-old (almost human sort of), child around your home that lavishes upon you unlimited attention without the slightest prompting.Having a perpetual five year-old (almost human sort of), child that wants