Step aside, “girl dinner” — it’s time for “girl math.” Girl math revolves around justifying your spending habits in creative ways, like subscribing to the idea that if you buy clothes and later return ...

You pay for a latte with money from your Starbucks app, so your bank account balance doesn’t change. That means the coffee was basically free, right? This is just one example of “girl math,” a trend ...

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Ylva Baeckstrom does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...