Goldie Hawn reveals the secret of her long relationship with Kurt Russell

• Goldie Hawn (78) believes that good sex is the secret of her long relationship with Kurt Russell.
• The couple first met in 1966 and have been together for over 40 years.
• The benefits of sex go beyond relationships: it has been proven to reduce stress and even increase immunity.

Goldie Hawn and Kurt Russell have been together for over 40 years, even though they are not married. And the secret of their long-lasting relationship?

“You have to have good sex,” Hawn, 78, told E! News in a joint interview with Russell. “Because sex is something that connects and creates greater belonging. People who have healthy sexual relationships tend to last much longer. But this is not just because of the act, but because of the warmth and intimacy it creates.”

The couple first met in 1966 on the set of a Disney movie. They reunited in 1983 when they were cast in the romantic drama “Swing Shift” and began dating shortly thereafter. In 1986, they welcomed one son together, Wyatt Russell.

Their blended family also includes Boston Russell, whom Russell welcomed with ex-wife Season Hubley, and Oliver Hudson and Kate Hudson from Hawn’s previous relationship with Bill Hudson.

Reflecting on the decades she spent with Russell, Hawn states that it’s normal that they don’t always have the same perspective on things.

“You know you’re not the same person,” she said. “Often you don’t think the same way. And you have to accept that, but you have to evaluate whether we are having fun or is this something we want to do? Do we laugh together? Do we share certain things? You don’t have to share everything.”

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Despite the expectations one might have in a relationship, the most important thing is that “you have to like the person,” Hawn said.

Moreover, Russell added that the exchange of experiences helped strengthen their relationship.

“I think most people who have been together for a long time have one thing in common, which is that after so many years together, you will have experienced almost everything that can be experienced together and you will understand all the ups and downs and what that means,” Russell said .

The average adult has sex about once a week. However, sexologists say that the quality of sex and the bond you have with your partner are more important than the frequency of sex. Every couple determines the right amount of sex for themselves, and this can change over the course of a relationship, Stefani Goerlich, a licensed social worker and sexologist, previously told BI.

“I’ve worked with couples who say once a week is too much and others who say it’s not enough,” Goerlich said.

The benefits of sex go beyond relationships. It has been proven to reduce stress, improve self-confidence and even strengthen immunity.

A representative for Hawn did not immediately respond to Business Insider’s request for comment sent outside normal business hours.