Warren Little via Getty Images Marieke Vervoort of Belgium celebrates winning the women's 200m T52 final during the IPC Athletics World Championships in Doha, Qatar, in 2015.

Lately, during the many nights Marieke Vervoort spends awake and in pain, two things have been crossing her mind: gold medals and death.

In a perfect world, she might have both soon.

The 37-year-old Belgian Paralympic champion has an incurable degenerative spinal disease, one that causes unimaginable pain. Pain so great she’s considering euthanasia after the Rio Games, which will be her final competition.

During the 2012 Games in London, Vervoort won gold in the 100m wheelchair sprint and silver in the 200m.

“Everybody sees me laugh with my gold medal, but no one sees the dark side,” Vervoort told the French newspaper Le Parisien, in comments translated to English by The Advertiser.

Francois Nel via Getty Images Marieke Vervoort of Belgium (right) celebrates her gold with Kerry Morgan of USA (left) and her silver in the women's 400m T52 final during the Evening Session on Day Ten of the IPC Athletics World Championships at Suhaim Bin Hamad Stadium on October 31, 2015 in Doha, Qatar.

“I suffer greatly, sometimes sleeping only 10 minutes a night ― and still go for the gold,” she said. “Rio is my last wish. I train very hard even if I have to fight day and night against my illness. I hope to finish my career on a podium in Rio.”

In 2002 ― two years after Vervoort contracted the rare disease and ended up paralyzed ― Belgium implemented what’s been termed “the world’s most liberal law” for physician-assisted suicide. In 2014, the country extended the right to terminally ill children of any age.

“After Rio, I will stop my sports career, I want to see what life brings me and I will try to enjoy the finest moments,” Vervoort told the Daily Express.

“I have a bucket list, including stunt flying, and I have started thinking about euthanasia.”

Vervoort isn’t certain yet if that’s her path, but she does seem to have a pretty specific image of what it might look like.

“My funeral, it’s not going to be in a church. It’s not going to be with some coffee and some cake,” she told France 2, as translated to English by The Independent. “But I want everybody to have a glass of champagne and to say, ‘Cheers, Marieke. All the best. You had a good life. Now you are in a better place.”

Per Bleacher Report, Vervoort’s first race of the 2016 Games will be Friday in the 400m.