“The world is small and life is long” ~ to counteract the finality of a breakup.
“I believe in the possibility of all things” ~ that it’s OK to be friends for a night, that you will have a good time
“I am a gift to any man” ~ That it was a big “OOPS!” on his part
Also, if you don’t want to go ~ no one can argue with a toothache! Sometimes enough is enough and you don’t have to see him if you don’t want to. However, if you love Katy Perry more, go to see the concert for its own sake! And have a good time!!