Related by context. Frequent words. (Click for all words.) 57 testosterone 56 arousal 55 hormonal 54 orgasm 54 sexual dysfunction 54 hormones 53 orgasms 52 menopausal 52 hormone 51 estrogen 51 self esteem 51 serotonin 51 cravings 50 metabolism 50 Viagra 49 fertility 48 dopamine 48 hot flashes 48 lovemaking 48 endorphins 47 impotence 47 erectile dysfunction 47 ovulation 47 penis 46 cortisol 46 menstrual cycle 46 lust 46 menopause 45 bone density 44 aphrodisiac 44 mood swings 44 promiscuity 44 menstruation 44 masturbation 43 caffeine 43 progesterone 43 urinary 43 cognitive function 43 masculinity 43 boobs 42 irritability 42 insomnia 42 leptin 42 potency 42 post menopausal 42 midlife 42 melatonin 41 Prozac 41 anti depressant 41 intercourse 41 sexiness 41 sexual 41 caloric intake 41 constipation 41 blood sugar 41 erection 41 metabolic 41 appetites 41 tummy 41 infertility 41 neurotic 41 physiological 40 bladder 40 viagra 40 calorie intake 40 monogamy 40 anti depressants 40 amorous 40 baldness 40 Caffeine 40 testicles 40 inhibitions 40 cholesterol 40 sleeplessness 40 sex 40 appetite 40 lusty 40 intimacy 40 oxytocin 40 Cialis 40 B vitamins 40 cellulite 39 ego 39 randy 39 pheromones 39 loneliness 39 reproductive 39 willpower 39 horny 39 neurotransmitters 39 binge eating 39 moods 39 niacin 39 narcissism 39 craving 39 tiredness 39 antidepressant 39 happiness 39 sensuality 39 ovaries 39 jealousy