Bobby Brown reflects on Whitney and Bobbi Kristina in new doc

As a newly married couple, Bobby Brown and Whitney Houston sang about having “Something in Common” in their first duet in 1992.

And ahead of his marriage to the late pop superstar on July 18, 1992, the nervous groom — who’d been “drinking, smoking and sniffing” in the bathroom — discovered the two had even more in common than their torrid music careers.

“I walked in and, um, saw her making a batch of cokes. It was a shock for me to see her sniffing for the first time,” he revealed in the new A&E documentary Biography: Bobby Brown, which premieres Monday and Tuesday nights. “I think that’s when I realized we had more in common than I thought. I was new to it and I guess she’s been doing it for a while.”

In the four-part documentary, the “My Prerogative” singer opens up about everything from his tumultuous relationship with Houston and affairs with other pop divas to his sex addiction, substance abuse and the tragic deaths of his children Bobbi Kristina and Bobby Jr.

Brown, 53, told The Post that making the documentary has been a “healing process” for him. “Because of the losses I went through and trying to heal, it was therapeutic,” he said. “It was time to clean out my closet.”

The documentary traces how Brown and four friends founded New Edition in downtown Boston’s Roxbury neighborhood when they were kids and covered Jackson 5-like hits like “Candy Girl” and “Mr. phone man.”

Brown was the group’s resident bad boy: he continued to sell drugs after their breakthrough and rebelled against their bubblegum image – which would eventually vote him out of New Edition.

“I wanted revenge,” said Brown, who went on to become a solo superstar with new Jack Swing classics like “Don’t Be Cruel” and “Every Little Step.”

And in those days, Brown hobbled around a lot. “I think I was addicted to sex,” he said.

In fact, before Houston came along, Brown was having affairs with two of the other reigning pop queens of the era: Madonna and Janet Jackson. “Did I sleep with Madonna? We didn’t sleep,” he said.

Describing Jackson as “the crush of my life,” Brown said, “The reason me and Janet broke up was because she couldn’t be with a man like me. I come from the projects. I’m Hood.”

But it was love at first sight for Brown when he met Houston backstage at the 1989 Soul Train Music Awards. And the lovebirds were lustful too.

“Me and Whitney’s sex life was pretty intense,” Brown said. “It didn’t matter where we were.”

The couple even got over Brown’s infidelity just before the wedding, resulting in their son Bobby Jr., who was born just three months before their daughter Bobbi Kristina.

“We’ve always felt that our love is strong enough to overcome any obstacle that comes before us,” he said. “We would still be together if it weren’t for the drugs. Drugs just overwhelmed us.”

There were also issues with Houston’s longtime assistant – and former lover – Robyn Crawford. “Until later in our marriage, I didn’t realize that Whitney’s relationship was more than just a friendship,” Brown said in the documentary.

Now Brown regrets Crawford left Houston’s team. “Robyn was a good friend of Whitney’s,” he said, “and I can say I wish Robyn was still in her life at the end, you know.”

By the time he was jailed for probation violations stemming from a DUI conviction in 2000, Brown had graduated from cocaine, crack and weed to heroin. But he kicked his drug addiction behind bars. “I got out of jail and I stopped doing drugs, but, um, I started overindulging in alcohol,” he said.

But, he adds, “Whitney was still doing hard drugs,” which contributed to the couple’s divorce in 2007. And after Houston’s death in 2012, her daughter Bobbi Kristina suffered the most. In 2015 she was found unconscious in her bathtub – eerily resembling her mother – and after being placed in a medically induced coma, she died months later at the age of just 22.

Then, in 2020, Brown’s son Bobby Jr. died of an accidental overdose of fentanyl, cocaine, and alcohol.

Now clean and sober, Brown enjoys a happy family life with his wife Alicia Etheredge – who is also his manager – for 10 years and their three young children. In fact, her life is being followed on the A&E reality show Bobby Brown: Every Little Step, which premieres Tuesday after the documentary.

But don’t expect a repeat of the “train wreck” that “Being Bobby Brown” was.

“I’m in a different light now, I’m in a different world now,” he told the Post. “My world is much better.”

And fresh from a reunion tour with New Edition, Brown is hoping the documentary and reality show will help people see him in a new light.

“I want them to take away my resilience,” he said. “I’m a person who goes through ups and downs. And I’m just trying to stay strong. I pray a lot and work hard to be better for myself – and better for my family.”