Didn't Carey pay social security?

Paying social security 15 years allows you to receive a monthly pension and enjoy medical insurance benefits when you reach retirement age, which is also a kind of income and guarantee. First of all, social security is an obligation stipulated by the state. At present, the employer must pay social security to employees, and both parties bear the social security expenses. In other words, as long as people have stable jobs, they need to pay social security. To some extent, paying social security is also a "tough" rule.