You open your banking app between meetings, then again before going to bed, even though your account is doing fine. This small thumb gesture, repeated by millions without thinking, involves checking your balance, last transactions, and expected transfers. We often imagine that those who check constantly are struggling with difficult end-of-month budgets. However, the reality is more nuanced, even in today’s challenging economic climate: this behavior affects both those with tight budgets and those with comfortable finances. Money remains one of the primary sources of anxiety. According to the American Psychological Association’s Stress in America 2024 report, 66% of women and 61% of men consider money an important source of stress. This phenomenon is not new; money has ranked as the top stressor for Americans since the first survey in 2007. In 2014, 72% of adults said they worried about their money at least sometimes, and 22% felt extreme stress, according to the APA. While these figures are specific to the United States, they highlight a broader mechanism: it is not just the amount of money that causes stress, but the uncertainty surrounding it. A number on a screen gives the illusion of control over the unpredictable, offering temporary reassurance. But this relief is short-lived, and soon doubt returns, along with the urge to check again. This compulsive checking of finances is driven by an intolerance for uncertainty. We often perceive the unknown as a threat. A study involving 1,046 adults found that this trait leads to a need to control everything, chronic doubt, and a constant quest for reassurance. The catch is that seeking reassurance can paradoxically maintain anxiety over time. Each glance at the account balance provides temporary relief, but it also teaches the brain that checking was necessary. This creates a reflex that becomes difficult to break. A study shows that this reflex is more closely tied to mood than to actual need. In 2009, economists Niklas Karlsson, George Loewenstein, and Duane Seppi studied Scandinavian and American investors. Their findings, published in the Journal of Risk and Uncertainty, revealed that individuals monitor their accounts more actively after receiving good news and "put their head in the sand" when the news is bad. The researchers named this behavior "the ostrich effect," after the bird that buries its head in the sand to avoid danger. These studies focus on investors, but the logic applies to everyone. We check our accounts to reassure ourselves, to enjoy a comfortable balance or to calm a general sense of unease. If this reflex is causing you concern or taking up too much of your day, a few simple adjustments can help: turn off notifications, set aside a specific time each week to check your account, or talk to a close friend. If the stress continues, a psychologist can help trace it back to its root cause.