Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-130.126.72.213-20140311205921/@comment-24668959-20140312101633

Forevermyalpha wrote: I think it probably has more to do with the fact that Lydia is a part of the pack and doesn't want Scott to know she traded information to get help from someone outside the pack.

This is what I think too.

Not as much as a "pack" thing, but a confidence issue.

She knows that the pure and incorruptible Scott (I really hate that saint creator's pet aura that the writers have imbued on him) woudn't approve of she trading that intel with Peter, an "untrustworthy" ally at best.