Today’s Fortune: Avoid focusing on the negative aspects of the past. That is pretty good advice. I have been seriously rethinking my decision for us to make sisters for me to play with, but I guess now that they are finished, it is too late to do anything about it, so I should just look on the bright side. After all, they are very……..um………entertaining? Early last week, we went Target to shop for sister socks.  They had a very nice selection, and I got to hang from one of those plastic things that they put socks on.  (I thought it…