Chantal hasn't changed because, up until recently, there really was never any reason to change. She's very basic. She just wants to do as little as possible and live her life with her pretend forever partner, whether it's Bibi, Nader or now Salah.
Even back at the start of her channel, she rarely did anything beyond eat and stay home. Oh! She'd go drive around in the Mukbang Wagon but that's about it. Occasionally, she'd go out to the bar/clubs (I remember some videos where she'd film late after coming home).
Even when she was out, like the infamous St. Patrick's Day vlog, she clearly struggled socially adapting. Chantal has always struggled with people, which made her setup so perfect: she could speak into a faceless void while stuffing her face and get the emotional connections she wasn't getting from her supposed partners.
Really, the two things Chantal loves is food and talking about herself. She had been able to do that with minimal consequence the last few years.
But now that she's getting older, it's starting to catch up to her. It's forced her to a fucking hellhole of a country with a partner that is an even bigger sped than Nader and health problems from years of abusing her body.
Unlike a few years ago, where she could keep those problems in check, now they're becoming increasingly difficult to contain. And because she's solely reliant on this lifestyle, and let's be honest, lazy as fuck, she's kinda stuck with it now.
Changing would require completely abandoning what she's spent the last what eight years of her life doing and I think deep down she realizes that would leave her single and irrelevant: two things she fears the most.
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Holy shit it IS a sticker! To be completely honest I was still so 
