زمان مطالعه: 7دقیقهReviews describe sexual desire in long relationships as variable, with no simple formula for keeping it; most research is observational.
زمان مطالعه: 8دقیقهAre only women judged more harshly for sexual behaviour? Three studies, with their sample sizes and limits, show a more complicated picture.
زمان مطالعه: 7دقیقهThe timing of first sex correlates with some later relationship outcomes, research shows, but it does not decisively determine relationship quality.
زمان مطالعه: 7دقیقهSydney Sweeney is reportedly engaged to a man 16 years her senior. The data sit on the other side: divorce rates are lowest when the husband is somewhat older.