They called this assessment the Six Principles of Sexual Health. A healthy sex life isn’t solely based on things like frequency or STI and pregnancy protection. Consent: Each Partner Feels Free to Say NoSource: Tiger Lily/PexelsThis is perhaps the most important and basic principle of sexual health. Honesty: Being Able to Talk About SexA healthy sex life depends on both partners feeling comfortable communicating openly about their sexual relationship, including their desires, boundaries, concerns, and changing needs. A couple with a healthy sex life would be able to speak about topics such as fantasies, desire, boundaries, frequency, and any sexual discomfort.