Why is it so hard to break up with the school beauty after being reborn in 2006?

In 2006, Fu Zilong was reborn with the ability to remember everything he saw and eighteen years of experience. Determined to overcome the regret of his past life's relationship with the school beauty Lin Xiao, he focused on his comeback and entrepreneurship. He stayed in school through a betting agreement, his grades soared, he cleverly dealt with Lin Xiao's entanglements, earned his first pot of gold by applying screen protectors to mobile phones, and ventured into the clothing and real estate industries. He made a group of partners and rose to the top of his life.