( Hand-shaking isn't a custom in Westeros, at least not between men and women, and so Sansa gently clasps his hand for a moment before dropping it. She isn't sure if that's what he expected or not and she hopes she isn't seen as rude. )

I am Lady Sansa Stark. Well met, Calvin. As to finding someone who can explain a little more, I am amenable to helping you find such a person. I have questions of my own and it might go easier with two of us.