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"The single most important career decision that a woman makes is whether she will have a life partner and who that partner is." When I first read this quote by Sheryl Sandberg, the feminist in me was deeply offended. It seemed backward, belittling, and like something my grandmother would say in a "marriage-should-be-your-highest-ambition" sort of way. But as I continued reading Sandberg's book, Lean In, I found she was right -- particularly in regard to heterosexual relationships.