Board Thread:False Info and Speculative Discussion/@comment-4148963-20140825171652/@comment-24919817-20140829003622

since that was never fully explored on how a pack is offically formed besides season 2 when derek build is basic pack but even then that didnt clairify things.

i can only assume that it has more to do with "TRUST" for a person to be inducted offically into the pack.