“Cosmic” couple Scarlett Lust and Felix Bayne can credit their involvement in the swingers’ scene for their getting together. Well, that and the staggering amount they have in common, their undeniable sexual chemistry and their hunger for hedonistic experiences. It was an impressive enough mix that five years later, they’re still together and a “a bit of fun” has turned into a full-on love story with a decidedly explicit side to boot.