This is apparently one of the symptoms of AS, and I just realised I used to get this all the time when I was a child.
I had a purple faux yaks-wool cushion that I would never go anywhere without (except school). When I ran away from home (long story, not as impressive as it sounds, etc), the cushion was the first thing I put in my suitcase. And even when I was quite a bit older (I was probably about 9/10), when we listened to that John Lennon song "Imagine" at school, I was thinking, "Yeah, would be cool, world peace and all..." then we got to the bit where it said, "Imagine no possessions," and I was like, "To hell with this communism, I need my cushion!" And for many years, the main reason I feared death was not for my family or anything, but because I probably wouldn't be able to take my cushion to Heaven with me.
Did you ever have something you couldn't imagine life without?
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'El reloj, no avanza
y yo quiero ir a verte,
La clase, no acaba
y es como un semestre"