Goldie Hawn, 78, credits good sex as the secret to her long relationship with Kurt Russell. The benefits of sex go beyond relationships: It has been proven to reduce stress and even boost immunity. "You have to have good sex," Hawn, 78, told E! 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. AdvertisementReflecting on the decades she spent with Russell, Hawn says it's normal for them to not always have the same perspective on things.

---

Persons: Goldie Hawn, Kurt Russell, —, Hawn, Russell, it's, Wyatt Russell, Boston Russell, Hubley, Oliver Hudson, Kate Hudson, Bill Hudson, Stefani Goerlich, I've, Goerlich Organizations: Service, Disney, Boston, Business Locations: Hawn's