The peddler finally changed his ways because of Edla Willmansson's genuine kindness, respect, and understanding. Her unconditional compassion and friendly treatment made him reflect on his life choices and awakened the goodness within him. Unlike others who mistrusted or exploited him, Edla's care convinced him to embrace a more honorable path. She even intervened to protect him from being turned out, gave him a Christmas suit as a gift, and invited him to spend the next Christmas with her family. This love and respect deeply moved the peddler, leading to his transformation and a desire for redemption.