Finding out that your long-term partner has been playing away has got to be a pretty though pill to swallow - it would be pretty easy to just give up and resign yourself to sitting on the sofa, eating takeaways and wallowing in self-pity.
However, while 26-year-old Dwayne O'Connor admittedly did do that for a little bit, he eventually pulled himself out of his negative mindset and shed three-quarters of his body fat in six months, to craft what the Daily Mail describes as the 'ultimate revenge body'.
Having previously worked as a fitness instructor, Dwayne lost his passion for exercise after discovering his girlfriend of four years had been having an affair.
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He told MailOnline: "It all started five years ago, I was a young man in a long-term relationship.
"I was working as a local fitness instructor, I also played basketball regularly and lifted weights three times a week just to keep myself healthy and look decent.
"My relationship was four years old at this point but just like most love stories it ended in heartbreak."
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He continued: "I came to realise my partner was having an affair and once I confronted her about the situation she posted her keys through the door and said it was over.
"My confidence, pride and self-worth were at an all-time low. I stopped playing basketball and l I even stopped going to the gym other than to go to work."
As a result of his new, unhealthier lifestyle, Dwayne quickly began to gain weight, bingeing on junk food in an attempt to help him manage the breakup.
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He told the newspaper: "I started to put on weight and before I knew it, I had stretch marks on my stomach and three chins. I started eating junk food on a daily basis and every time I looked in the mirror I would be disappointed in myself.
"Physically, mentally and emotionally I was at breaking point. My friends didn't like to see me down, so they helped me get a few sessions back in the gym, it really did mean a lot."
That's when Dwayne decided to get his life back under control, completely overhauling his diet and exercise regime.
"I was still overweight, but I was lifting five times a week, getting stronger all the time, and most of all I was getting my confidence back," Dwayne recalled.
After only six short months, Dwayne had managed to get his body fat down from 28 percent, to seven percent.
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"Six months might seem fast but because I was a fitness instructor before the break up, I already had a few years of training behind me, so I had a decent amount of muscle already," he said.
"The motivation came from the lack of control I felt in my personal love life. When a situation happens like an affair there's not much you can do about it. You just have to sit there and let it happen.
"However, when it comes to self-confidence and personal development every hour is an hour where you can do something to be better than you were the previous hour. Anybody can do it - they just need to be structured and consistent, have faith and work hard.
"I went on a journey looking for progression instead of perfection and that's where I found balance. I'm much more comfortable within myself and I try to send that positivity out to others."
Featured Image Credit: Instagram / Dwayne O'ConnorTopics: Weight Loss, Interesting, Exercise, Community