• Adam Collard went from around 44% body fat to 8% in three years. • The personal trainer and former Love Islander said weight-lifting and learning about nutrition were game-changers. • He started lifting progressively heavier weights and started tracking his macros, not just calories.

Adam Collard wasn't always the shredded lothario viewers watched break hearts on "Love Island" in 2018.

As a teenager, he was overweight and had a pretty hard time at school because of it, he told Business Insider.

"I was always one of the biggest kids, both in height and in weight. So I stood out like a sore thumb," Collard, who is six feet five, said. "I always carried a lot of weight and I just didn't like it. I wasn't happy. It made me very, very introverted."

As a coping mechanism, he would bing

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