The Season 12 premiere of “90 Day Fiancé” kicked off Sunday, introducing viewers to Catie, who had a very interesting reason for why she wanted to kiss guys other than her British fiancé, Josh.

A press release for the all-new season described Catie as “a free‑spirited Portlander” with a “spontaneous habit of making out with all her friends” — and even strangers.

During Sunday’s premiere, the reality TV star, 26, claimed her “habit” stemmed from having obsessive-compulsive disorder (OCD). She recalled meeting Josh, 30, while traveling the world for three years and living a “carefree, nomadic” lifestyle.

Catie explained that she actually met Josh’s friend Dave first. They matched on the dating app Tinder and he invited her to hang out with his friends.

She recalled hitting it off with Dave and making out with him that night. However, after he got kicked out of the bar, she made out with one of Dave’s other friends, who she thought was “hot.”

Catie admitted that she also tried to make out with Dave’s best friend, but he had a girlfriend. She then attempted to hook up with Josh, but he turned her down because she had already kissed two of his friends. But when he walked her home, they ended up passionately kissing on a bench.

She later invited him to go to Milan and they got closer, and he eventually popped the question.

Catie revealed in a confessional, however, that within the past two months, she had started kissing other guys while drunk.

“I have intrusive thoughts as part of my OCD. When I get drunk, I really want to make out with everyone I know, especially when I’m in a happy mood or in a really insecure bad mood,” she explained.

“I just get really into the moment and I’m like, ‘I think making out with this person is a great idea.'”

She further acknowledged, “And that isn’t always exciting for Josh, especially because it’s been a bit more frequent lately.”

Catie said she wanted to stop her habit of kissing other people, but that her brain had other plans for her while drinking.

“I’m worried that this is going to be a hard thing to give up,” she said.

Later in the episode, Catie said her OCD was also to blame for when she failed to secure an apartment for her and Josh before he arrived from the UK to live with her, leaving them homeless.

Still, cameras captured her excitedly picking up Josh from the airport, where she awkwardly repeatedly asked him to make out for four minutes.

“He’s super British and super reserved, so he tends to avoid conversations about sex,” Catie noted of Josh, who then told cameras with an uncomfortable laugh, “I’ve never been super hot on PDA, just feel self-conscious.”

“90 Day Fiancé” airs Sundays at 8 p.m. ET/PT on TLC.