What made the peddler finally change his ways?

Edla Williamson treated the peddler in a friendly manner. She was nice and kind to her. She mediate on his behalf when her father was about to turn him out of his house. She still entertained the peddler even after knowing the truth about him. She welcomed him in Christmas present and invited him to spend the next Christmas with them. Her love and understanding made peddler talk to inner soul and he changed his ways.