After putting together our FIRE plan in 2009, my wife and I adopted several frugal habits—not because we enjoyed deprivation, but because we wanted to spend more intentionally. Those habits helped us reach financial independence in 2019 and eventually retire early in 2025. What surprised me is that even after FIRE, we never stopped doing them. Some habits stick around long after reaching FIRE. Sure, we occasionally splurge on business-class airplane seats or a ridiculously ex