Centenary Stage Company concludes their SummerFest series with, I Love You, You’re Perfect, Now Change, a celebration of the mating game, taking on the truths and myths behind that contemporary conundrum known as “the relationship.” With book and lyrics by Joe DiPietro and music by Jimmy Roberts, sketches and songs pay tribute to those who have loved and lost, fallen on their face at the portal of romance, and those who dared to ask, “Say, what are you doing Saturday night?”