Sometimes two isn’t better than one. Nurys Mateo and Horacio Gutierrez Jr. are both on “The Challenge” Season 40 , but Mateo admitted in her exclusive interview with The Post that she had a hard time competing with her boyfriend.

“I will say I really didn’t enjoy it too much, because now I’m not only playing for myself, I’m also playing for him,” the 29-year-old said. “I’m, like, very protective of him,” she added. Mateo explained that Gutierrez Jr.

’s presence on “Battle of the Eras” (premiering Wednesday) “hindered” her gameplay with the rest of the 40-person cast. “I found myself not wanting to hang out with other people too much,” she said. “I wanted to be just with him.

I”m a very social person, so I think that might have hindered me a bit in the game only because I rather hang out with my boo than hang out with a lot of other people.” “But normally if he wasn’t there, or if I was single, I definitely would have been more outgoing, talking to everybody more and maybe more present than I actually was,” Mateo added. “But, regardless, I’m not too upset about it.

” Mateo and Gutierrez Jr., 28, both made their “Challenge” debuts on Season 38: “Ride or Dies.” They started dating after Season 39: “Battle for a New Champion,” where Mateo finished as the runner-up.

The “Are You the One?” alum noted that, based on their performances in their two recent “Challenge” seasons, she and Gutierrez Jr. were surefire t.