WHAT IS A LEATHER DADDY? Orpheus & Indigo are back, answering Sandra's questions about the mysterious world of leather, leading up to their entry in the SoCal Master/slave Contest (sclms.net). Artist Jenny Fine helps Sandra prepare. TOPICS: Fish Panties, Depression, Leather Puppy, Police Academy, Fractals, 1950s Relationships, Fitting In, Angry Black Woman, Anger, Whipped, Emotional Enslavement, Leather Mythos, WWII, Tom of Finland, Earning Your Boots, Poly Relationships, Quad Geometry and Hook Suspensions!

NERVE NINJAS & BLINDFOLD SCIENCE! Physical Therapist Adam Whitman takes Sandra on a sensual tour of our nervous system. Oh THAT'S why that feels like that! Body awareness for the win! TOPICS: Fitness, Muscle vs Nerves, Lying Patients, Words for Pain, Bend Over Magic, Two-Point Discrimination, Sensory Cortex, Fun Experiments, Healing Headaches, Stereognosis, Proprioception, Layering Sensation, Graphesthesia, Light Touch/Pain/Temperature vs Vibration/Proprioception/Fine Touch, Whole Body Sensation, Orgasm Tips, Nerve Pathways, Eastern vs Western Medicine, Myokinesthetics, Reciprocal Inhibition, Muscle Flexing & Orgasm Training, Genitals in the Brain, Changing Blood Flow, Caveman Hand, Massage, Spanking, Ticklishness, plus a BONUS look at scar tissue's unique play potential!

USING SEX TO SELL SEX! Sex worker, podcaster and writer Siouxsie Q sets Sandra straight on the sex industry. Comedian & podcaster Matt Kirshen shares surprising insight into sex work, comedy and the universe. TOPICS: Bad Day at Work, Lusty Lady, Whorientation, Firefly's Inara, Good vs Bad Sex Work, Politics, Human Rights, Emotional Health, Violence & Exploitation, The Happy Hooker Notion, Selling Sex, Annie Sprinkle, Companion Services, Self-Care, "Prostitute," Choice & Coercion, Criminalizing the Job, "Johns," Slixa, Better Crime Fighting.

FRIENDS WITH BENEFITS? Sex Researcher and Developmental Psychologist Dr. Zhana Vrangalova geeks out on casual sex's effect on mental health. Facts are presented, myths are busted and she sets us straight on whether someone must always gets hurt. PLUS BONUS SEX DUNGEON STORY! Sandra drags a vanilla friend to a kinky theme park. Feelings ensue. TOPICS: Casual Fling, Early Warning Signs, Tiny Breakups, Mental Health Factors, Defining it, F*** Buddies, The Romantic Continuum, Commitment, Positive vs Negative Reactions, Emotional Well Being, Authenticity, Safety, Reasoning, Pleasure, Drunk Hook-ups, Bonding Science, Social Stigma, Self Esteem, Doing it Well, College Dating Shifts, Swingers, Jerks, Pleasure Gap Research, Slut Shaming, Women's Sexual Pleasure, Orientation Influences on Hook Ups and SO MUCH DATA.  

SOUL MATES FOR REALSIES! Sandra seeks to understand marriage. Artist Jason Porath and marital unit Sarah and Gregory weigh in. TOPICS: Beyond the Wedding, Relief, Journeys Just Starting, Fear of Choosing Wrong, Future Kids' Names, Nightwing, Prioritizing the "We," "Venus and Mars on a Date," 1st Marriage Mistakes, Cohabitating, Wedding Ritual, Ketubah, Sex Life Changes, Tools, Cultivating Love, Couple's Therapy, Aligning Brain Waves, Recurring Arguments, Commitment Phobia, Pure "I" Statements, Going to Bed Angry, Triggers, How to Fight, and knowing the difference between who you are and how you be.  

LIES, LIES AND MORE LIES! Dr. Chris Donaghue sets the record straight on the role of cheating in today's relationships and what it means for partnerships of tomorrow. But first, Layperson Elaine admits to a guilty past. TOPICS: Dr. Chris answers many questions including "Is cheating avoidable?" "Where's the line?" and "How can you tell if a relationship is salvageable?". ALSO: Sandra in DC, Giving in to Temptation, Signs of a Healthy Relationship, Craving Diversity, Statistics, Cyber Sex, Fluid Boundaries, Uncomfortable Feelings, Absolute Chaos, Handling Jealousy & Anxiety, Cultural Changes, "Relationshipping," Romantic Comedies, Conflict vs Pain, Dopamine Highs, Rage, Lifelong Partnership Building, Novelty, Honoring Your Needs, Villainizing the Cheater, Loss of Attraction, Aging and Libido Mismatches. Wow! Feelings!  

COMMON QUESTIONS, MEDICAL EMERGENCIES & THE FIST OF KNOWLEDGE! Sandra hunts down 2 of her teachers and a classmate from the renowned & rigorous San Francisco Sex Information educator training. TOPICS: Prolapse Lady, Mom Boundaries, Accuracy, Googling Sex Info, Science Biases, The Dubious Eyebrow, Anecdotal Evidence, "Positive" Neutral Face, PubMed'ing "Rectal Foreign Bodies," Boy Scout Webelos, Coursera Classes, Good Reads, Yahoo Answers,  Favorite Sex Ed Moments, Dealing with STDs, Egg Shells and Other Things in Butts. Feel free to email any of your sex questions to ASKUS@SFSI.ORG. Sex Nerds are standing by.

  COMPLETE STRANGER SHARES HIS MASTURBATION TECHNIQUE. Artist Mike Squillacioti and a mysterious man join Sandra for a new twist on breathing during sex. TOPICS: Linguistic Distancing, The Tantra Episode, NO Erotic Asphyxiation, Swimming, Olympics, Sphincters, Nipple Clamps, Roller Coaster timing, Hypoxia, Masturbation, Porn Expectations, "Going to the Club," Bicycle Seat Prostate Pressure & a Frozen Steak to the Balls. THEN WE TURN A CORNER: "Do you need a lot of experience to be a good lover?" We discuss. 

MIND-BLOWING SEX & ZOMBIES! Author & Tickle Kitty CEO Dr. Sadie Allison and her partner & CTO John join Sandra for a romp through the land of love, orgasm & relationships. TOPICS: Jack Valentine, Singles Awareness Day, Cockring Story, Sadie's Journey, Engineering Sex Drawer Locks, Female vs Male Orgasm, How to Orgasm, "Tickle Her Fancy," Sex Toys, Troubleshooting Pleasure, Vibrators, Masturbation Attitude, John & Sadie's Love Story, Growing as a Couple, Finding Mr. & Ms. Right, Mind-blowing Sex, Flavored Lube, Butt Stuff and a hearty game of "Would You Rather…?"

TWISTED AROUSAL RESEARCH, EROTIC SCHADENFREUDE & MORE! Author of "Perv: The Erotic Deviant in All of Us," Jesse Bering, PhD expands what is normal & shares new vocab words to amaze your friends! TOPICS: The Young Turks, Objectophilia, Melissophilia, Neanderthal Source Material, Origins of Kink, Erotic Dependency, Fetish vs Paraphilia, Developmental Imprinting, Female Erotic Plasticity, Sandra's Cartoon Kink, Masochistic Tendencies, 5 Erotic Age Orientations, Virtuous Pedophiles, Innate Psychological Biases, Predicting the Future of Sex, "Squick," Roman Showers, Wall of Porn, Genetic Fitness, Studying Lust & Disgust and thinking with the right head!