Well, now that moment has come, and the results are pretty explosive.
In scenes to air on tonight's (13 June) episode of the ITV2 reality show, Rachel and Rykard have an emotional heart-to-heart, as she tries to come to terms with his hook-up with her pal, which was revealed by host Caroline Flack on Sunday.
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Rachel is upset at Rykard's frisson with Olivia
ITV
Trying to explain his frisson with Olivia, Rykard tells her: “Me and Liv got intimate at one point when we were a couple. And the reason why I didn’t say anything about it, especially to you, was because Liv didn’t want it to come out.”
Rachel then begins to question Rykard’s dishonesty and challenges him over why he hadn’t come clean with her in the villa.
However, it's not long before her heartbreak turns into anger towards Olivia.
“Why did you suddenly turn and have sex with another girl in a bed next to me? I cannot help but think that she’s playing the biggest game in that villa," she says.
"If it was me that did something like that I would have told my friend and I wouldn’t have kept it a massive secret.
"She slept in a bed next to me and kept that from me. I had conversations with her about you and how happy I was, how much I liked you and she could literally look me in the eye and still know that she slept with you a day after we had that amazing night together.”
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Rykard is determined to win Rachel back
ITV
Still unconvinced by Rykard’s remorse, a tearful Rachel continues: “You don’t seem like you’re sorry. I just think you need to build a bit of trust back up. It’s a massive thing for me. You know I’ve been cheated on in the past. And it’s difficult for me to trust people, let people in.
"It is difficult I genuinely thought when I first got with you that you were a nice boy. It was a horrible, horrible thing for me to hear. I doubted everything that you said."
Having threatened to quit the villa, Rykard then makes a last-ditch effort to regain her trust, by reading out a self-penned poem. And we should warn you, it makes for toe-curling reading:
“When you arrived with your elegance and beauty,I never predicted you’d be my tall, blonde cutie,Never met someone so sweet in all my years,My favourite thing about you are those big beautiful ears.”
- Rykard Jenkins
Wow. Just wow.
But will his words win Rachel over? Tune into 'Love Island' at 9pm tonight on ITV2 to find out.
Tap the image below to launch the slideshow...
'Love Island' Contestants 2016
The 2016 'Love Islanders'(01 of12)
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Scott Thomas(02 of12)
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Scott, 27, is an entrepreneur and club promoter from Manchester and has been single for six years. He is the brother of 'Coronation Street' star Ryan (Jason Grimshaw), and 'Emmerdale' star Adam (Adam Barton). He says: "They support me, but I want to do this on my own. I've been brought up with it so I'm prepared in a way, but it's my turn now. It doesn't scare me, that side of things." (credit:ITV)
Cara De La Hoyde(03 of12)
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Cara, 25, is an international circus performer from Kent and has been single for ten months.She says: "I was on 'First Dates' a couple of years ago. He paid for the dinner which was alright, but he loved himself." (credit:ITV)
Daniel Lukakis(04 of12)
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Daniel, 23, trained as an osteopath and physiotherapist and is now a model. He’s from London and has been single for a year. He says: "I was scouted by David Gandy. I was in the gym, and saw him, and I'd followed his career for a very long time so we had a chat and he put me in touch with his agent, who signed me." (credit:ITV)
Sophie Gradon(05 of12)
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Sophie, 30, is a marketing manager from Newcastle and has been single for seven months. She says: "I used to date Danny Cipriani. Suddenly I was in the papers being called a 'Kelly Brook lookalike', which is nice, as she's stunning!" (credit:ITV)
Javi Shephard(06 of12)
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Javi, 27, is a Surveyor from York and has been single for seven months.He says: "She has to be perfect! She has to be intelligent, athletic and healthy, and just have something about her. She should just be fun. I want a girl with good energy, who makes me happy." (credit:ITV)
Zara Holland(07 of12)
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Zara, 20, is the current Miss Great Britain. She’s from Hull and has been single for two years. She says: "I do like tall, dark and handsome. I like a guy to have nice dress sense. I'd love it if he turned up in a blazer and a baby blue shirt! Not that I'm being picky or anything…" (credit:ITV)
Nathan Massey(08 of12)
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Nathan, 24, is a carpenter from Essex and has been single for seven months. He says: "I knock around with a few of the TOWIE lot - Tommy Mallett's one of my best mates." (credit:ITV)
Malin Andersson(09 of12)
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Malin, 23, is a make up artist from Bedford and has been single for two months.She says: "I was on 'Take Me Out' about four years ago, but I didn't get a date. I think I was too fussy. I kept turning my light off!" (credit:ITV)
Rykard Jenkins(10 of12)
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Rykard, 25, is a personal trainer from Kent and has been single for five months. He says: "I hate it when all girls talk about is how many followers they've got on Twitter. Life's about so much more than that." (credit:ITV)
Olivia Buckland(11 of12)
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Olivia, 22, is a sales executive from Essex and has been single for eight months. She says: "I like a guy with tattoos, messy hair, and muscles. And I like a guy with confidence." (credit:ITV)
Tom Powell(12 of12)
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Tom, 24, is a barman and fitness instructor from Wales and has been single since Christmas.He says: "I talk to my granddad about my love life. He's my hero. He taught me everything he knows. He's with my nan and they're very happy, so he must be doing something right." (credit:ITV)