My mum's best friend's husband died unexpectedly in his sleep last night

he was a decent man who tried to live a good life to the best of his ability, and she is just the sweetest person who had already gone through more than people should have to.
Death is rarely easy, but it's different when you can prepare over the course of a prolonged period of illness or even over the course of a few frantic and desperate hours. When it happens like this and you think back on the last day you had together, one person coming home late after working an evening shift, the other too tired to get up to eat breakfast before dawn... It's just

l am not used to that version of death and it's the one that terrifies me the most.