| A | B |
| CONTRACEPTION | the use of devices or procedures to prevent pregnancy |
| ADONIS COMPLEX | MAN'S OBSESSIVE PREOCCUPATION THAT HE IS NOT MUSCULAR ENOUGH |
| LIBIDO | SEXUAL DESIRE |
| CYBERSEX | VIRTUAL SEXUAL ACTIVITIES PRACTICED ON THE INTERNET |
| DEMOGRAPHY | THE SCIENCE THAT STUDIES HUMAN POPULATION |
| STD | SEXUALLY TRANSMITTED DISEASE |
| STIGMA | ANY KIND OF DEMEANING AND DISCREDITING CHARACTERISTIC |
| INFATUATION | A TYPE OF RELATIONSHIP THAT IS HIGH IN PASSION AND LOW IN INTIMACY AND COMMITMENT |
| EROS | OVER-WHELMING PASSION AND DEEP EMOTIONAL ATTACHMENT |
| LUDUS | LOVE STYLE FOCUSED ON LOVE AS PLAY AND ON SUPERFICIAL OR PURELY SEXUAL RELATIONSHIPS |
| IDEALIZATION | UNREALISTIC VIEW OF THE LOVED ONE |
| COMMITMENT | DECISION TO LOVE SOMEONE AND MAINTAIN THE LOVE OVER TIME |
| NEUROTICISM | PERSONALITY TRAIT CHARACTERIZED BY NEGATIVE EMOTIONS SUCH AS DEPRESSION, ANXIETY, ANGER, EMBARRASSMENT, VULNERABILITY, AND IMPULSIVENESS |
| AUTONOMY | STATE OF INDEPENDENCE AND SELF-DETERMINATION |
| HOOKING UP | CASUAL SEXUAL ACTIVITY WITH NO STRINGS ATTACHED BETWEEN HETEROSEXUAL PEOPLE WHO ARE STRANGERS OR BRIEF ACQUAINTANCES |