"There's always cliche advice, like, be real and don't worry about the cameras. But honestly, I don't even know if my advice would do any good for him in the sense that I came into my experience very different from him," Nick toldThe Hollywood Reporter.
"And I'm not talking about the whole virginity thing -- he hasn't really dated. You know, he's had, like, two girlfriends and I think one of them was [Becca Kufrin] and he dated [Tia Booth] for a day."
Nick starred on Season 21 of The Bachelor in early 2017 after appearing on two separate seasons of The Bachelorette as well as one edition of Bachelor in Paradise.
In addition to the several serious relationships Nick had developed on the franchise, he also had his fair share of romances before beginning his search to find love on TV.
Colton, on the other hand, expressed on The Bachelorette's fourteenth season he had only been in love one time prior to meeting Becca, and his feelings were never even reciprocated. Colton, who is saving himself for The One, also ended his subsequent relationship with Tia before ever falling in love.
"So when it comes to looking for someone to settle down with, I'm really curious as to how those conversations are going to go. I think it could be interesting," Nick said of Colton.
Surprisingly, some fans are skeptical Colton, a cystic fibrosis charity founder, is truly a virgin given his good looks and background as a former professional football player.
"It's a weird thing to lie about," Nick countered.
"Listen, I think it's great. I've met Colton, he's a great guy, he's as genuine as anyone in the franchise that I know and if you're going to be a virgin, that's great. But I don't think he's gotten any awards for it, so it's a weird thing to lie about."
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Nick concluded, "If anything, it's probably gotten him more criticism for it, so I take him at his word."
As for whether Nick believes Colton will lose his virginity in the Fantasy Suite on the show's upcoming 23rd season in 2019, he's not really sure.
"It's a great question. I honestly -- 50/50 [chance]. Obviously people know you can have sex in the Fantasy Suite, but it's not honestly just about having sex. It really isn't. Sometimes people don't have intimate moments and it's really just about having conversations," Nick explained to The Reporter.
"Not to sound corny, but [alone time off-camera] is a big deal because you don't get that, so nothing would really surprise me. It's hard to say. I think it just comes down to the women he is or isn't into at that point."
Nick then joked Colton's time in the Fantasy Suite with one or multiple women will certainly make for "some interesting morning-after shots."
"They started filming the morning of, so imagine that shot of them zooming in on Colton's face and he's just, like, [a deer in headlights], that first time, like 'What just happened?!'" the former Bachelor said with a laugh.