"The Bachelor" series' newest couple Juan Pablo Galavis and Nikki Ferrell has been together for almost six months. However, they continue to be surrounded by relationship problem rumours. According to the latest update, Juan Pablo Galavis has joined the cast of VH1's reality show "Couples Therapy" Season 5. This has led to rampant speculations about trouble in couple's life.

People confirmed that Juan Pablo Galavis and Nikki Ferrell are joining the cast alongside Jenna Jameson and John Wood, Deena Cortese and Chris Buckner, Dick Donato and Stephanie Rogness-Fischer and more.

In a recent interview with Extra, Juan Pablo Galavis talked about his relationship with Nikki Ferrell. The bachelor admitted that he is glad that they opted to feature on the show otherwise they "probably would have killed each other two weeks later."

"If we were dating already, why not take the chance and get some therapy and see an expert?" Juan Pablo Galavis told Extra.

The entertainment news website notes that "Couples Therapy" helped them deal with issues such as "communication" and how the 33-year-old single dad should interact with his 5-year-old daughter Camila about his girlfriend Nikki Ferrell. They learnt how to deal with issue of "living apart." Juan Pablo Galavis is former Venezuelan soccer player living in Miami and Nikki Ferrell is a paediatrician nurse in Kansas City.

"The Bachelor" Season 18 finale ended with a major uproar when Juan Pablo Galavis refused to declare his feelings or propose Nikki Ferrell on the show. Following the ending, several media outlets speculated the couple won't last long. It was said they may end up breaking up without getting engaged or married.

Based on Juan Pablo Galavis and the final rose winner bachelorette Nikki Ferrell's interview with VH1 for their upcoming show, Wetpaint infers the "two are on very different pages." It's been more than six months and the bachelor hasn't said "I Love You" to the bachelorette yet. Not only has Nikki Ferrell been open about her feelings for him, but she also hopes he will say the L-word to her one day. Even though Juan Pablo Galavis hasn't told her those three words, Nikki Ferrell believes that he loves her. Meanwhile, Zap2it speculates that it hasn't been "easy six months for the couple."

Meanwhile, "The Bachelor" couple has recently returned from a vacation in exotic Southeast Asian island Bali. Juan Pablo Galavis posted some pictures from his vacation with Nikki Ferrell on Twitter. Click here and here to view the photos.

Watch out for Juan Pablo Galavis and Nikki Ferrell in their second reality TV gig on "Couples Therapy" Season 5 premiering on Sept. 10 at 9:00 p.m. ET on VH1.

For more updates on "The Bachelor" couple Nikki Ferrell and Juan Pablo Galavis, read below:

'The Bachelor' Update: Reasons Why Juan Pablo And Nikki Ferrell Are Not Splitting Up Anytime Soon; Couple To Launch Showbiz Career Together [Video]