It is obviously impossible to buy him with money, because she has no money, and that beast Qin Yinze is not short of money.
Other than that, all she had left was her young body. Seeing that he didn't want her enough every time he wanted her, she thought he probably liked her young body.
Ji Rou turned on the shower head and took a bath. She washed herself fragrantly. When Qin Yinze came back, she sent it to her door and let him "enjoy" her body.