Instruct: Classify Amazon reviews into positive or negative sentiment
Query: No good for same sex or non-traditional couples.

The authors have a heteronormative outlook and do not address same-gendered couples. Moreover, the chapter on questions related to gender uses stereotypes of men and women. For example, "He needs an attractive spouse" is listed as a gender-based need experienced by men. As for women: "She needs financial support". If these sorts of gender roles appeal to you, then the book will reinforce your views; but for non-traditional couples and pro-feminists, I recommend avoiding it.