The try now, pay later model creates a dangerous allure. When users browse the torso sex doll in the middle of the night, Klarna's try now button triggers a dopamine rush—neuroeconomic research confirms that installment payments reduce the brain's perception of price pain by 83%. Even more intriguing is the Klarna sex dolls return policy: 87% of trial users abandon their returns due to privacy concerns, resulting in a conversion rate 3.2 times higher than that of traditional e-commerce platforms. This behavioral design perfectly captures the irrational nature of sexual consumption.