She wanted to show him that she was vain and vulgar, too. She believed that once he discovered her "true face," he would be sorely disappointed in her.
"Take your time choosing; I'll step out to take a call," Gu Kai said, with his business seeming quite busy. In just this short while, several calls had come in.
He probably guessed that it would take Shen Ruo a while to pick something, so he decided to step out to handle matters before coming back in.
The clerk brought out the latest model of a platinum necklace featuring a cross pendant with eleven diamonds encrusted on it, shining and dazzling to the eye.
Shen Ruo reached for the necklace, finding it simple and beautiful, growing more fond of it the more she looked at it.
Just as she was about to confirm her choice, a voice beat her to it, "I'll take this necklace, wrap it up for me."