How do I get past this grief?
My 10 month old cat died last night. He'd been getting in the washing machine the last few days. Yesterday morning I did some ironing in the laundry and must have knocked the door shut. My wife couldn't find him when she got home from work. Eventually checked the washing machine, and found him in there. I wasn't home, but she and my son rushed him to the vet but they couldn't do anything. I noticed he wasn't about as I left the house, but figured he was sleeping somewhere.
It was an accident, and I know intellectually it wasn't my fault, but I cannot stop thinking of all the things I could or should have done, and he would still be here. He was such a big personality and his absence is everywhere. We had a very close bond.
I've lost pets before but I am literally not functioning. I've barely eaten, slept, or stopped crying since.
How do I get past it?