Jennifer Lopez and her beau Alex Rodriguez have found the secret to a happy relationship – not spending any time apart.

The superstar couple began dating last March and despite their busy schedules, with the singer juggling filming of TV show Shades of Blue with her All I Have Las Vegas residency, have managed to survive by reportedly making a pact to spend all their time together.

“They have a no-time apart pact,” a source told Heat magazine. “They’ve agreed to spend as little time away from each other as possible – they freak out if they’re apart for a night or two.”

Judging by their respective Instagram feeds, the baseball star-turned-broadcaster has been stuck to the three-times married star like glue.

As well as joining her at work commitments, Alex has also enjoyed lots of holidays with Jennifer and their combined brood of four – Jennifer’s twins Max and Emme, 10, with ex Marc Anthony, and Alex’s daughters Natasha, 13, and Ella, 10, who he shares with Cynthia Scurtis.

And at the recent MTV Video Music Awards, an appreciative Alex drew attention for his constant filming of his stunning girlfriend as she twerked at the event.

However, it seems that their desire to spend so much time together has made a lot less space for the stars’ friends.

“Being together all the time has taken its toll on a lot of their friendships,” the source added. “They can’t seem to bear being apart.

“This relationship had better work, because they may not have anyone else to turn to if not.”

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