Exactly 731 Achievement
Help the Jelly Bean Counter win the contestIn Chapter 4, the Jelly Bean Counter can be found at the Spring Festival. Talk to him and guess "800", then read the woman's emotions. Next, talk to the guy again and guess "700". Read the woman's thoughts one more time to learn the answer and speak to the guy again and tell him "731".
See Emotional Archeologist (50G) for a video guide.