Rise of 'girl math' and 'boy math': Gen-Z shoppers think using cash doesn't count as spending, that anything under $5 is effectively FREE and that riding a $400 bike 400 times means it only costs a dollar
The girl and boy math phenomena is an online trend of users explaining their justifications for different spending habits. Girl math is frivolous and boy math is more frugal.
Source: dailymail.co.uk