I’m so sorry for your loss
As a family we had a death last year and although not sudden it was a 3 month terminal illness from diagnosis to passing.
Gp doctor was wonderful and offered numbers to call for help
I concentrated on the practice stuff to keep me going. Not having a will does make stuff a bit more difficult but you’ll be ok.
Don’t worry about not eating, make sure you have plenty to drink though
In a gentle way, with it being a sudden death will the coroner be involved? This will possibly delay the death certificate and funeral
Please don’t get ripped off with funeral expenses, friend of mine checked out 4 undertakers in town and there was £2000 difference in the price for the same funeral. See if you can find an independent or get a recommendation. You don’t have to spend more than £3000. It’can seem crude at this time to think about these things but large companies can make extras. We want the best for our lived ones but that does mean paying over the odds.
Take care of your son but allow him to take care of you, be there for each other for cuddles and walks. Take each day jyst hour by hour