Before revision: Leckman & Mayes speculate that there is an evolutionary reason behind the similarity and ask that "If some part of the behavioral repertoire works in one context to help create and sustain a relationship, why not borrow it to form another?"
After revision: Leckman & Mayes speculate that there is an evolutionary reason behind the similarity , asking "If some part of the behavioral repertoire works in one context to help create and sustain a relationship, why not borrow it to form another?"