Your headline is slightly wrong. Women diagnosed with cancer are six time more likely to be divorced than men diagnosed with cancer.

A woman is six times more likely to be separated or divorced soon after a diagnosis of cancer or multiple sclerosis than if a man in the relationship is the patient, researchers at the Seattle Cancer Care Alliance reported in the journal Cancer.

That's a big difference. Thanks for noticing

But he also is anti-treatments and thinks people should just die from their cancer so we'll see how he really feels when the time comes.

Fuck. Chemo is hard even for non terminal cancers doing that without a support system sounds damn near impossible.

According to the book how not to die (from nutritionfacts.org), a whole food plant based diet helps a lot with not having cancer. Family history is relevant of course but much less than diet and lifestyle: the book points out that populations that didn't have cancer started to have them when they migrated and changed their diet.