I just read this whole thread and can weigh in on a few things hijab related. The reason her hijab 'feels like swimsuit material' and itches and she keeps pulling at it? She's not actually wearing a real hijab. Looking at these photos? In every one she's wearing a onepiece under scarf and not a real hijab, she's also wearing it MUCH too tight.
Most Muslim women will wear one of these underneath and then wear a pretty scarf over the top. The fabric is usually some mix of Viscose so that it wicks sweat.
Here's an example of a lady with her hijab cap on and putting a scarf over the top
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With how much Amy wears that undercap as a hijab and knowing how much fat people sweat? It probably smells like death unless she has one for every day and washes it, but judging from her house? There's no way she does laundry that often.
She's too lazy to actually wear a hijab and is faking it with an undercap.