You've asked the right person.
I've worked/still work at a grocrey store.
It's very much a mixed bag. I hated working with the customers so I went on third shift, but I got stuck on second eventually. Boy was that ever fun.
Working with other people.... Depending upon who they are, hell or heaven. The only people I ever got along with really well were the other people who had their own mental issues. I'm fairly sure I've worked at one point or another with two other people who were also aspies.
Last summer was probably the best one I've had since I started working there. A dyslexic, A paranoid schizo, a schizotypal/bi-polar, and a manager with brain damage from a car accident were among people I could count as co-workers.
They were the easiest group of people to get along with.... Verses summer 2002 when everyone was a bunch of NT teenagers - uhggg. That was hell.
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I live my life to prove wrong those who said I couldn't make it in life...