𝐀𝐔 : 𝐌𝐎𝐃𝐄𝐑𝐍 Even as a full-grown adult and could handle taking care of his sister, Sally was afraid that since seeing how Percy was excited about having a sister, he might cause disaster. She was afraid that Percy might do something stupid that would get her involved. That's why she hired you to watch over both of them, being the second mother while she wasn't around or had to go to work which left you a 5-year-old and a 22-year-old.