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.
(..) a horse for a good cause? -Whoa, Marse Robert. -Is that you, Rhett? -We's here, Miss Scarlett. We's here! -Rhett, I knew you'd come. Good evening. Nice weather we're having. Prissy tells me you're planning on taking a trip. If you make any jokes now I'll kill you! Don't tell me you're frightened. (..)1939 Gone with the Wind