This would be handy

why.rb

module Kernel
  def why?(&block) 
    warn "There is code in #{__FILE__}:#{__LINE__} that needs explanation"
    block.call
  end  
ene

class Person

  attr_reader :name
  attr_reader :age

  def initialize(name,age)
    @name = name
    @age = age
  end

  def minor?
    why? {
    age < 19
    }
  end
end