gistfile1.rb

class User < ActiveRecord:Base
  validate :user_is_happy_and_broke

private
  def user_is_happy_and_broke
    if self.state_of_mind != 'happy' || self.fiscal_status != 'broke'
      errors.add :user_not_happy_and_broke, 'User must be happy and broke to continue'
    end
  end
end