ask.fm への解答

gistfile1.rb

require 'unextend'

class Person
  attr_accessor :husbund, :wife
  
  def help(other)
    ...
  end
  
  def tell_love(other)
    ...
  end
end

module Husbund
  def help_with_love(wife)
    help(wife) and tell_love(wife)
  end
  alias_method_chain :help, :love
end

me = Person.new
wife = Person.new
friend = Person.new

me.help(friend)
me.extend(Husbund)
me.help(wife)
me.unextend(Husbund)