I'm sorry you find yourself to be in these most difficult circumstances. I'm afraid I don't really have any insights or stories I can share. But I wanted to let you know I read your post & I wish you well. Here are links to some articles, from PsychCentral's archives, on the subject of healing from a break-up. Perhaps these can be of some help with that part of your situation:

https://psychcentral.com/blog/10-tip...-broken-heart/

https://psychcentral.com/blog/how-to...er-a-break-up/

https://psychcentral.com/blog/12-way...-broken-heart/

https://psychcentral.com/blog/help-o...om-heartbreak/

https://psychcentral.com/blog/how-to...ver-a-breakup/

https://psychcentral.com/blog/reclai...r-breaking-up/

Also, here are links to some articles on healing from grief & loss:

https://psychcentral.com/lib/on-grie...-coping/?all=1

https://psychcentral.com/lib/grief-h...two-year-myth/

https://psychcentral.com/lib/the-tru...rief-and-loss/

https://blogs.psychcentral.com/bounc...ck-from-grief/

I wish you well...