This is how often happy, long-term couples have sex — do you meet the magic number?

Are you having enough sex?

2,0000 British couples in happy, long-term relationships have revealed how often they get steamy between the sheets.

Researchers from the UK streaming service ITVX quizzed the Brits as part of a survey looking at important factors that contribute a long-lasting romance.

They found that the couples — who had been together for a minimum of 10 years — had sex 7 times a month on average.

According to Daily Mail, which reported on the research, the couples claimed that reaching that magic number helped them build a successful relationship.

However, the survey also uncovered that a majority of participants did not believe that sex was the most important part of their relationship.

Most couples said “having fun together” was the most important part of their relationships and what has kept them together for more than a decade.

“Compromise,” “having no secrets” and “having the same sense of humor” were also valued as more important factors in a successful romance than getting bawdy in the bedroom.

Although many respondents cited sex as an important factor in their relationships, 5 percent of couples polled admitted to sleeping in separate bedrooms.

Meanwhile, 20 percent of those polled admitted to cheating on their partner.

Of those, 58 percent were caught being unfaithful but most were able to recover from their major mistake.

Surprisingly, 85 percent of couples surveyed said they were able to stay together after the infidelity, while 38 percent actually said an affair made their relationship stronger in the end.

The survey was conducted as ahead of the premiere of the series “Love & Death,” which is set to stream on ITVX in the UK.

It’s just one of several recent research projects looking an important factors in relationships.

A study published in the SAGE Journal of Social and Personal Relationships earlier this year found that men in heterosexual relationships tend to say “I love you” first.

Contrary to stereotypical gender norms, the global team of researchers found that in six of the seven regions (all but France), men were more likely to admit love first.

On average, men considered confessing love 69 days into a relationship, while women didn’t think about it until 77 days in.