S.A.D?

Maybe it's the weather but today I feel downright miserable. Does postpartum depression have a statute of limitations?  Can it hit six months later? Or maybe I'm just suffering from Seasonal Affective Disorder. Strange how the acronym for that is S.A.D.  Yes, I feel sad. I'm hoping that by pinpointing the things that I feel most sad about I'll maybe feel better.  Maybe a light bulb will go off and I'll have some epiphany that things aren't so terrible.  Or maybe I'll just end up telling myself "Buck up buttercup.  Put your big girl panties on and deal with it."