I am so very sorry to hear of your sister's passing. I hope you (and BIL) find comfort in your faith or whatever support system you have.
The image of the cemetery really resonates, though my mom's ashes have still not been put somewhere (b/c there are 9 children who must agree.) But the "orphans" scenario even at our age, hurts and is surreal.
And yes, life is short. So very short...we need to figure a way to live it well.
Sorry your h is not there for you. He is inconsistent and shows up at times, but at some point you'll have to ask yourself if that is enough
and when you decide it is/isn't, you'll decide to DO something.
If I had lost one of my 3 sisters (let alone my only sibling), it would be hard to act or DO for awhile.
I'd call that grief. Hope you find another T. It's a lot to cope with.
I ache for you
M: 57 H: 60 M: 35 yrs S30,D28,D19 H off to Alaska 2006 Recon 7/07- 8/08 *2016* X = "ALASKA 2.0" GROUND HOG DAY I File D 10/16 OW DIV 2/26/2018 X marries OW 5/2016