Life With Brother's Wife

Now the guy and the lady are together. She is wife of her own brother. When I heard first time, i was in shock as usual. But this is life.

Both brothers migrated to Canada and were in the same apartment. Even after they married, both families shared the apartment. One day elder brother on his way to work, took his brother's wife to drop her at the school. Unfortunately the car got into accident and both died one after another.

Now younger brother is like a security guard to his brother's wife. She is like a cook to her cousin. No other relative in Canda for this girl.

Will they continue without a bond? Why don't they marry?