Getting the phone call from my dad that said, "your mother's had a stroke."
Driving 200 miles up the motorway in the snow at 2am to see her.
Realising that she didn't have the first clue what was going on and she wasn't responding to any of the nurse's tests.
A doctor who didn't speak much English misunderstanding us and basically assuring us she would be fine - then having that corrected to "she's going to die any day now" by a different doctor 2 long days later.
Watching her in a coma for a week.
Watching her die.
Watching my dad have to give the eulogy at the funeral.
Going through her wardrobes and finding sacks of wrapped and unwrapped Christmas presents that she'd chosen for everyone.
Realising afresh regularly, even now, that she'll never know my children and they will never know her, and what I have missed in terms of her love, wisdom and humour every single day.
It's fucking shit, but I must admit OP - it still doesn't put that much in perspective for me, as I still get wound up or upset when I have a hard time! Hope you're ok.