Dr. Kristen Mark is a sex and relationships researcher, educator, and therapist. We talk about her research in the area of sexual health and the intersection of sex and relationships with a focus on sexual satisfaction, compatibility, desire, and desire discrepancy. She talks about her study “keeping the spark alive” and answers some questions I had about healthy sex in relationships. If you want to learn more about Dr. Kristen you can find her at kristenmark.com