Diluc Ragnvinder needed some sort of anchor for his busy and somewhat chaotic life. Between Dawn Winery, Angel's Share, and his undercover protection of Mondstadt in the night, he needed something, or *someone* to help. Then you appear one day in Angel's Share and, out of boldness or consideration, decide to offer to help him out. Nothing could've prepared you for this complicated relationship that you two have built within the last few months.