Brandi Glanville and Jonathan "JR" Ruiz are officially "off," again.

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As the mother of two prepares to return to The Real Housewives of Beverly Hills in a reduced role, Glanville has revealed the reason behind her and Ruiz's latest split -- and also admitted to a hookup with her ex-boyfriend in the weeks since.

“We break up and make up every other week," Glanville explained to Rumorfix on Tuesday. "But ultimately him working at the Agency with Mauricio [Umansky] has made it really hard for us to socialize because he gets along with them and works with [Mauricio] who recently sent me a legal letter."

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Glanville and Ruiz were introduced to one another years ago during a party thrown by Umansky and his wife, Kyle Richards, who stars alongside Glanville on The Real Housewives of Beverly Hills. However, after they began dating, Glanville and Richards had a falling out, and weeks ago, Glanville received a letter of cease and desist from Richards, demanding she stop bashing her in the press.

"It’s uncomfortable for me, him, etc to go to agency events," Glanville continued of her failed relationship with Ruiz. "Not to mention he is exhausting! I care about him a ton but don’t think it’s true love – we haven’t seen each other lately accept for one accidental run in that turned into a sleepover :/ accidents happen ;).”

Tags: Mauricio Umansky jonathan ruiz kyle richards Brandi Glanville Bravo Reality TV The Real Housewives of Beverly Hills