Many dating experts specializing in heterosexual relationships believe that women should make men wait before having sex for the first time. Some believe that withholding sex creates a challenge so many men crave and increases a woman's value; others say that securing a commitment from a man before rewarding him with sex leads to a more secure relationship. In this episode, Dr. Valeria and sex coach Sarah Martin take on this type of dating advice; discuss what possible consequences it may have for these couples' sex lives; and give their own view of how first time sex should be handled in new relationships.  EPISODE NOTES: Ted Talk by Al Vernacchio, "Sex Needs a New Metaphor" https://www.ted.com/talks/al_vernacchio_sex_needs_a_new_metaphor_here_s_one