The longer the customer is forced to wait, the more hearts he or she loses. Each type of customer has different degrees of patience and tipping habits. Flo can perform various actions, such as talking to customers or serving them drinks, to revive these hearts.
The length of time a customer waits is correlated with the loss of hearts. Each customer type has unique patience levels and tipping habits, which Flo can address through actions like conversation and drink service.