A New TWILIGHT member

OHOHOHOH!!! I lended Khai Xin my twilight DVD that day... and she finished watching yesterday...and she got addicted...she's the new twilight member...She wanted to read the story books (twilight, new moon, eclipse and breaking dawn)but her mom dont allow her to buy...so sad...she asked me to lend her but...I love my twilight book too much and it's over protected....lol...I'm thinking of buying a new one for her (maybe extra birthday present even I already bought her a present) lol....haiz...donno la...I cannot allow myself to lend my twilight book to other people even she's my best best friend ever....AH!!! What can I do?