What made the peddler accept Edla Willmansson’s invitation?

In the given story, it seems that Edla Williamson had a better power of persuasion. She looked at the peddler and knew that he was afraid. So she assured him that no harm would come to him and he would be allowed to leave just as freely as he came. Her friendly manner made the peddler feel confidence and safety with her and so he accepted her invitation.