to me, it's about living with a friend/girlfriend/family member going through a roller-coaster depression (going south... coming back in spring). things have finally reached a breaking point and the friend is going to have to go it alone this time (i'll have to stay behind). the person relies on the safety and comfort of routine (the sun's regularity perhaps) and can't be with his friend anymore.
to me, it's about living with a friend/girlfriend/family member going through a roller-coaster depression (going south... coming back in spring). things have finally reached a breaking point and the friend is going to have to go it alone this time (i'll have to stay behind). the person relies on the safety and comfort of routine (the sun's regularity perhaps) and can't be with his friend anymore.