Wow. There are millions of men who suffer from long-term sexual dysfunction because of physical and psycological reasons. People are pretty ill-informed about sexual impotency and its impact. You can't just pop a Viagra and expect everything to be better. It's a bit myopic to just assume men with erectile dysfunction are gay or cheating. She needs to get him to a psychiatrist and uriologist as a pp suggested. She doesn't mention whether he is on meds, has an illness, or whether they sought professional treatment. It's also unclear whether they have other forms of physical intimacy. I simply cannot a make judgment based on this info, and I'm not sure how anyone else can.