Goldie Hawn Says ‘Good Sex’ Is Secret to Her Relationship with Kurt Russell [Video]

Goldie Hawn and Kurt Russell are sharing one of their keys to more than 40 years of romance.

While the longtime A-list couple spoke with E! News at MindUP’s The Goldie Hawn Foundation charity event on Friday, Sept. 27, Hawn, 78, said, “You have to have good sex,” when asked about building a successful long-term relationship.

“Because sex is something that connects you and creates more belonging. People who have healthy sexual relationships usually last a lot longer,” Hawn explained. “But it’s not just because of the act, it’s because of the warmth and the intimacy that it creates.”

Hawn and Russell, 73, have been in a relationship since 1983. The couple share children Oliver Hudson and Kate Hudson from Hawn’s previous relationship with Bill Hudson, and Wyatt Russell, their youngest son. Russell also shares his oldest son Boston Russell with ex-wife Season Hubley.

“You have to be nice to each other upon …