It is often suggested that each other (a so-called reciprocal pronoun) behaves like reflexive pronouns in obeying Principle A.

It is often suggested that each other (a so-called reciprocal pronoun) behaves like reflexive pronouns in obeying Principle A. How does this idea explain the acceptable and unacceptable uses of each other illustrated in the following sentences?The men admire each other.The men’s boss admires each other.The men think that the boss admires each other.