I'm not a fan of the little green geckos that run all over the house. Yet, I can't bring myself to physically harm them. So I cuss and grumble when I clean up their poop or let out a "get out of the way" as they run for cover.
I do like the well-mannered geckos that do all of their business outside though. I can usually find one at the window above the kitchen sink in the morning, watching my every move. A small smile is precisely my necessity in the early morning. It may just be that the well-mannered ones are the reason I can do no harm to the ill-mannered ones that barge their way indoors. Maybe.