Someone who said, “I am a nazir,” and his friend heard and said, “And I,” “And I” —- they are all nezirim. [If] the first is released, they are all released. [If] the last is released, the last is permitted, but all [the others] are bound.  [If] he said, “I am a nazir,” and his friend heard and said, “My mouth is like his mouth,” or “My hair is like his hair” —- he is a nazir.  [If he said,] “I am a nazir,” and his wife heard and said, “And I” —- he may revoke hers, but his stands. [If she said,] “I am a nezirah,” and her husband heard and said, “And I” —- he cannot revoke it.