There are nice staff in retail that get treated awfully, customers can be complete asshats at times and they have to stick their shit. And then they have to stick the shit from the management (and in my experience the management don't do an awful lot)
I don't think I'd care all that much if I was getting paid min wage.
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My main rant is people that ring at my work and moan constantly about shit no-one cares about. Or people that just moan for the hell of it.
There was a girl I spoke to in work today - she wasnt even 30, 7 fractures in her spine. I would imagine she was in agony (as well as having pressure sores from lying down a lot!). She didn't complain once, thanked me for what I did, and for the sympathy I showed her. If people were more like this life would be a lot easier.