Is there a memory from your life that keeps you up at night?

I will provide the memory that influenced this question tommorow afternoon.

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Okay, it's after noon. One memory that keeps me up at night is not pretty, but it's true.
I was on a trip with my dad and step-mom. We were nice and settled in the hotel room so my dad and my stepmom left the room to do lord knows what, I think they went to a club. But they left a 7 year old me with my 2 year old sister. I sat in the window waiting for them to come back for hours. I watched the people walk by having fun. And I realise now how that is not the norm for others.
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Another thing that I have not shared yet is about my grandfather. He was in the VA with stage four cancer at age 72. I loved to visit him often in hopes of wanting him to stay alive longer. The last time I was in the room with him, about 1 week before he passed away, I was standing there, he could barely open his mouth but the last things he said to me was "Oh please." it was a cry, I knew he wanted to die, we all knew it, but did I want to admit it? No.
Is there a memory from your life that keeps you up at night?
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