Hollywood is full of stories of soldiers during wartime, but very rarely do we get a glimpse of life after a soldier's time in the army is done. Alice Winocour's 'Disorder' gives us that glimpse.

ET Canada’s Sangita Patel sat down with Diane Kruger and Fabienne Berthaud to find out the key to a great relationship and how they behave with their loved ones while on a road trip.