do you think first anniversary might have contributed too how you feel now.Often society and therefore ourselves have expectations that we grieve for a year then get on with it,and its like a disappointment when we discover this isn't the case,it kind of comes home that the next anniversary,birthday,Christmas isn't looking like it will be Any better than the firsts.Right now darker nights are here and I for one always feel worse if I can't get outside.So perhaps that's the why,but how to get back up is more difficult.My Friday night winter blues I dealt with by making them treat night,candles ,bath nice meal,chocolate,nothing major.I learned to crochet not because I needed too but to fill time but found it was quite useful and enjoyable,,and did some free online courses and rediscovered a desire for learning..Initially lighting the stove snuggling down and being comfortable seemed like too much effort for myself so I would sit in the cold.cooking the same so I would eat junk,until I discovered cooking not only filled time,but could be a form of mindfulness too.I,m not a great socialiser,I tried a couple of things but it didn't work for me,that doesn't mean it wouldn't for you,so have a look around locally and see if anything appeals,even though you are feeling disinterested something might re spark interest if you try it,and if it doesn't then you havnt lost anything.Start small and set yourself a do able goal.I wasn't going to get a degree or a dazzling new career,but a six week course with a few hours study was do able,and lead to more.I think that's what the second year is.Learning to be more content with your own company,or taking steps towards new things.The great big hole they left won't go away,but in time you can start building little fences to stop you falling all the way back in,but first you have to build a ladder to climb back out,and grab every time you find yourself sliding back down.
If you can't,and this depression won't shift orvgets worse,don't be afraid to go to your GP for help.