Returning out of a Ruby begin block

thing.rb

class Thing
  def initialize(value)
    @value = value
  end

  def call(other_value)
    @other_value = other_value

    puts final_value
  end

  private

  def final_value
    @final_value ||=
      begin
        return if @other_value.nil? || @other_value == ""

        if @value == @other_value
          "SAME"
        else
          "DIFFERENT"
        end
      end

    puts "Final Value set to #{@final_value}"

    @final_value
  end
end

puts "-- first --"
Thing.new("value").call("value")

puts "-- second --"
Thing.new("value").call("other value")

puts "-- third --"
Thing.new("value").call(nil)