Tried and Tested - Heart of Crystal, #2

When Mario calls from out of state to tell her they "need to talk, " Crystal knows her boyfriend has planned a major change. Is he tired of her? Are things not progressing the way he wanted? Crystal's friends' relationships are getting stronger, but she senses hers is falling apart. While she's trying to close the distance with Mario, her inability to control things for her comfort affect other relationships.
Things are further complicated when GQ starts reaching out to Crystal again. This semester will impact her life.but how?