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Moviegoers everywhere are mourning the loss of Dalton Prager.

Dalton, whose romance with his wife had been compared to the plot of the popular book and movie “Fault in Our Stars,” and who suffered from cystic fibrosis, sadly passed away in St. Louis, Mo., Saturday afternoon, his parents told CNN.

His wife, Katie, 26, who was in Kentucky in hospice care herself, was unable to be with her husband during his last moments but got to speak with him over FaceTime, Katie’s mother Debra Donovan told CNN.

Katie posted an emotional message with photos of Dalton to Facebook.

“My angel, my best friend, the love of my life, my husband went to be with the Lord our God today,” Katie wrote. “Dalton fought a long hard battle with Cystic Fibrosis. He was a courageous fighter and ‘give up’ wasn’t in his vocabulary. Thank you for all of your love, prayers and kind words that you have shown to us over the past few years. God bless each of you.”

According to CNN, Dalton gradually became more ill, developing lymphoma, then pneumonia and a viral infection, and he was put on a ventilator in intensive care roughly two weeks before his death.

The family talked about flying Dalton from Missouri to Kentucky last week to be with his Katie in hospice, but couldn’t due to his health.

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The loving couple met online, both at the age of 18, according to CNN.

Katie and Dalton both had cystic fibrosis, but Dalton had Burkholderia cepacia, an infectious disease which is extremely contagious for anyone with cystic fibrosis. The two risked meeting each other, fell in love and married two years later in 2011, according to CNN.

Katie did in fact catch Dalton’s infection.

“He was one of the greatest people I’d ever met and not many people like Dalton come around so you got to get him while you can,” Katie told CNN.

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Katie and Dalton spent 5 years together, and Katie told CNN she didn’t regret meeting Dalton in person, even knowing it could be dangerous for her health.

“It gave me some of the best years of my life,” she said. “I’d rather have five years of being in love and just really completely happy than 20 years of not having anybody,” Katie told CNN.

Dalton’s funeral will take place Wednesday.

He was 25 years old.

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