Power couples who stay together have 9 things in common

From Google cofounder Sergey Brin's split from 23andMe founder Anne Wojcicki to SpaceX founder Elon Musk's second divorce from actress Talulah Riley, the separation of several high-powered couples could signal that extreme career success comes at the expense of relationship success.

But relationship experts say this doesn't always ring true. You can have a successful marriage and balance high-powered careers - it just takes work.

Dr. Michael McNulty, a master trainer from The Gottman Institute and founder of the Chicago Relationship Center, tells Business Insider that maintaining a marital friendship, romance, and intimacy, managing ongoing conflict that is inevitable in marriage, and creating and maintaining a meaningful relationship is more challenging for partners with successful careers because they have less time to do so.

He says these couples are at more risk when the connection to the career becomes primary, and the commitment to and trust in the relationship becomes questionable. "Having a spouse addicted to work can feel like as much of a betrayal as extramarital affair to the other spouse," McNulty says.

But as research psychologist and couples counselor John Gottman explains in his book "What Makes Love Last," 40 years of research shows that trust and commitment are crucial to holding relationships together. "When both partners have a strong commitment to a relationship, this leads to a strong sense of trust, which makes love last," McNulty explains.

Here's how some of the most successful married couples keep their relationships strong: