I decide immediately if I like a person and if I do, then I'm myself, and if I don't, then I give nothing.
Psychology is as important as substance. If you treat people with respect, they will go out of their way to accommodate you. If you treat them in a patronizing way, they will go out of their way to make your life difficult.
Paleoanthropology is not a science that ends with the discovery of a bone. One has to have the original to work with. It is a life-long task.