Justin Timberlake reveals the secrets of his happy marriage to Jessica Biel

Justin Timberlake reveals the secrets of his happy marriage to Jessica Biel

What's the secret to a happy marriage? There's no magic answer, but a lot of experts have offered advice: Be honest with each other, and willing to see things from your partner's perspective. Make it a point to celebrate good news, and not to depend on your partner for happiness. Stop going on the Ashley Madison website and cheating on each other with random strangers. All pretty solid advice.

But where the place to get your advice? Celebrities! They always stay married forever. Justin Timberlake recently offered some marriage advice, and no, it's not offering a "Dick In A Box." The 36-year-old actor-singer married actress Jessica Biel at an Italian countryside in 2012. When the photos were released, fans were stunned by pictures of Biel's nontraditional frothy pink wedding gown. Five years later, they seem to be doing great.

In an interview with Marie Claire, Jessica Biel discussed her marriage with the "Suit & Tie" singer. It sounded like their relationship was fairly grounded - you know, for crazy rich, super famous celebrities.

"We have similar values; we believe in loyalty, honesty," said the 35-year-old actress. "We like to have fun. We like a lot of the same things. Also, in the business, we're all very career-oriented, and you have to be a little selfish. I understand that about my peers — about being focused and driven — and if you can find that and someone who shares the same values as you, it's like: Score!"

When Timberlake was interviewed for his new film, Wonder Wheel, he revealed the secret to their happy marriage was that they kept dating. And no, not dating other people. They kept dating each other, even after the wedding.

"If I haven't dated in awhile. I'm a little out of date with dating,"  said Timberlake. "That's always my rule, even when you get married you have to keep dating."

That sounds like a good rule. When you get married, there's a danger you'll start feeling like roommates, or babysitters that just happen to live together. By going out on dates, the relationship continues to feel romantic. Also, it gives you something fun to do, so you don't go stir-crazy at home.

However, after having their first child, Silas, it got harder and harder to stick to the dating rule. "It's just the difference comes when you have kids you have to actually schedule the date," said Timberlake. "So when you say you're going out at 6.30pm, you need to go out at 6.30pm." I'm sure that complaint sounds familiar to all parents. (Kids ruin everything!) But come on, JT. With all your money, you can pay the babysitter for a couple more hours.

First Timberlake brought sexy back; now he's bringing sound marriage advice back. And that's important, with nearly half of all marriages ending in divorce, and millennials waiting longer and longer to walk down the aisle. Marriage is tough. No matter what, you're going go through some rough patches. To quote Chris Rock, "Only married people can understand what it's like to be miserable and happy at the same time."