Because she has to live with old Vedder who is nothing but a bookworm.
He was something of a bookworm at college, I believe, and has developed a taste for literature.
For the rest, he was a bookworm and revelled in intellectual pursuits.
The Bookworm's an uninteresting grub, Whether he's all alone or in a club.
This old fellow is Mac, the bookworm, called Worm for short.