The reported percentages vary based on the research and the person doing it. Because body language is hard to quantify, it's difficult to say what the exact percentage might be. There are also other things to consider such as culture and upbringing. Some people are naturally more closed off than others, while some are more expressive.

[And everything he can profile about her over the console tells him she's a good person. So.]

Would you like to? I could teach it quite easily.