When friends become lovers, is their relationship screwed? College pals Will and Cassie fight jealousy, fear, communication problems and damp underwear in this sizzling sequel to the bestselling new adult romance novella, "Once Should Be Enough." "Don't Think Twice" can be read as a standalone, but you might want to sit down (on a towel). If you like your romance hot and fun, then Don't Think Twice!