The Biggest Loser: Temptation Nation changed the format to singles and then eliminated Luis Hernandez from the reality weight-loss competition during the second half of Monday night's two-hour episode on NBC.

Luis, a 36-year-old physical/health/driver's education teacher from Chicago, IL, was ousted from The Biggest Loser after he fell below the yellow line by posting one of the two lowest weight-loss percentages at the weigh-in.

The rest of the season's cast then voted him out instead of Lauren Clark, a 32-year-old nutritionist from Bladenboro, NC, who was also in jeopardy.

"I've been 'The Biggest Loser' since Week 6. To be the best, you have to beat the best and I'm going home. The hardest part of leaving the ranch is leaving my brother behind... [but] I'm excited to show my wife and kids the new Luis," he said in his final words.

The Biggest Loser broadcast began with host Bob Harper announcing that the contestants would be competing as individuals going forward, ditching the teams format. The players were given cars to drive and freedom this week, however, they were faced with temptations.

The contestants could decide to workout in the gym with trainers Dolvett Quince and Jennifer Widerstrom or participate in some fun activities -- like wine tasting and parasailing. Lauren, Jacky Kmet, Colby Wright and Felicia Buffkin were the only players who took advantage of adventures. Jacky was the only individual who opted to take advantage of all the fun temptations.

Felicia ended up winning the week's challenge, which was a physically-exhausting obstacle course. As a reward for being victorious, Felicia received immunity at the upcoming weigh-in. At this point in the season, it was sort of girls against guys, as alliances had been forming.

At the weigh-in, Luis dropped from 233 to 232 pounds, losing only one pound and posting a 0.43% weight-loss percentage. He was frustrated because not only was he close to winning the challenge, but he also didn't give himself any rewards this week. He just worked out in the gym as much as possible.

Felicia would have fallen below the yellow line if she didn't win immunity. She lost only two pounds and posted a 1.07% weight-loss percentage after falling from 187 to 185 pounds.

Lauren fell from 187 to 184 pounds, shedding three pounds and posting a 1.60% weight-loss percentage.

Roberto Hernandez dropped from 265 to 259 pounds, losing six pounds and posting a 2.26% weight-loss percentage.

Jacky, despite not getting a lot of time in the gym, fell from 244 to 238 pounds. She lost six pounds and posted a 2.46% weight-loss percentage.

Colby lost seven pounds and posted a 2.64% weight-loss percentage. He fell from 265 to 258 pounds.
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Stephen Kmet fell from 245 to 238 pounds, shedding seven pounds and posting a 2.86% weight-loss percentage.

Erin Willett dropped from 196 to 188 pounds. She lost eight pounds and posted a 4.08% weight-loss percentage, making her "The Biggest Loser" of the week.

In a post-The Biggest Loser update, Luis started the show weighing 308 pounds and currently weighs 203 pounds. Luis' whopping 105-pound weight-loss has allowed him to no longer be a hypocrite in his profession. Luis also feels like he can be a better role model for his children going forward.