Fatty's family was facing some problems.
It was not anything too serious, just that one of his elders had fallen ill and they needed a lot of money.
In their past life, Fatty went around trying to borrow money, but he still could not get enough to pay for those exorbitant medical fees. In the end, Fatty's second younger brother resorted to armed robbery but was caught and sentenced to jail.
At the time, Fatty regretted it immensely. He kept wailing that it was his fault his younger brother ended up like that. Later, Fatty's younger brother had his wits beaten out of him while behind bars, and he needed a lot of money for his treatment too. That was why Fatty had no choice but to look for Li Yi again and ask for money.
Just then, Li Yi had just made it into the God Wars' preliminaries. His victory would determine if he could live with Qian'er from then on.
Back then, Li Yi told Fatty, "Give me a few days, until I finish the competition!"