They have had their fair share of 'stormy weather' [=they have had many problems] in their marriage.
They are 'fair-weather' friends. [=they are friends when you are successful but not when you fail]
They had to 'weather' [='get through'] some difficult times in the early years of their marriage.
(..) Sellswords. Loyal to nothing but gold. We still have a hard march to Winterfell and we won't be marching anywhere in this weather. And? This isn't our time. We should head back to Castle Black when the snow clears. I retreated from (..)2015 TvShow: Game of Thrones Title: The Gift Season: 5 Episode 7