I can only speak for myself, but my list is this.
1. I was assaulted by a police offier dec 16 2008, which set ptsd in motion
2. I was menopausal
3. I was in process of divorce and feeling guilty for needing out
4. I was adjusting to empty nest (which I dont think I ever really accomplished)
5. I was suffering physically from an accident 2 yr prior to assault.
6. I was financially broke and unemployed on disability (very little income)
I think the ptsd on top of all the other stuff left a permenant print on my brain. I have all these memories of my childrens childhood while married, not wealthy, but being able to afford to bake cookies, have a nice meal, buy gifts, participate in kids school programs, decorate house, make ornaments, have many guests and attend others, going christmas caroling with other families, making ornaments with my kids, taking each shopping for their siblings, etc.
As they grew older, things change, add illness, divorce, loss of income, menopause, etc and it was hard to keep pushing to make it memorable. After the assault, that year, we had NO Christmas and my daughter watched me disintegrate until I overdosed and was in ICU after xmas. Now, I dont want to get out of bed as soon as I see all the lights and feel it in the air.
I would guess we all have some reason that makes it bad for us. Be it childhood memories (which mine were bad), and now my view of myself is as bad as my view of my mothers when it came to doing nothing for holidays. All the years of doing things with my children mostly, with others and for others, seems to belong to another woman, not I , and I cant find her.