Related by context. Frequent words. (Click for all words.) 54 cohabiting couples 50 cohabitating 50 monogamous relationships 49 heterosexual 49 heterosexual marriages 49 monogamy 49 cohabiting 48 monogamous 48 cohabitation 48 polyamory 48 premarital sex 48 vaginal intercourse 47 heterosexuals 47 breast tenderness 47 extramarital sex 46 homosexual orientation 46 statistical blip 46 interracial relationships 46 homosexuality 46 monogamous relationship 46 sexually active 45 abstinence 45 binge drink 45 heterosexual counterparts 44 psychotic illness 44 pathological gambling 44 civil unions 44 heterosexual marriage 43 homosexual marriage 43 vegetable intake 43 nondrinkers 43 unmarried heterosexual couples 43 depressive symptoms 43 Sexual orientation 43 anal intercourse 43 ordaining women 43 uncircumcised men 43 psychotic disorders 42 homosexual 42 heterosexual couples 42 overanalyzing 42 suicidal ideation 42 abstainers 42 sexually transmitted infection 42 gay marriage 42 promiscuity 42 inverse relationship 42 interracial couples 42 binge drinking 42 caffeinated coffee 42 antioxidant supplements 42 bisexuality 41 homosexual marriages 41 Finkelhor 41 intercourse 41 statistically significant 41 suicidality 41 mental disorders 41 menarche 41 STDs 41 HPV infection 41 homosexuals 41 ordaining gays 41 marriages 41 bisexuals 41 strongest predictor 41 remarriage 41 sexually transmitted 41 sex marriage 41 causal relationship 41 hormonal contraception 41 contracting sexually transmitted 41 risky behaviors 41 pathological gamblers 41 nonsignificant 41 neuroticism 41 sexual promiscuity 40 prescribed antidepressants 40 evolutionary psychology 40 unmarried 40 sex 40 legalizing gay marriage 40 observational studies 40 correlation 40 stepparent 40 prenuptial agreements 40 behavioral interventions 40 overdiagnosis 40 unprotected sex 40 df = 40 masturbation 40 unmarried couples 40 sexes 40 interracial marriages 40 homosexual couples 40 deviant behavior 40 inverse correlation 40 unprotected intercourse 40 STIs 40 Monogamy 40 preterm delivery