Every month I have added 8oz of tire weights to my helmet. My helmet is now 6lbs. How much longer before I have a strong and powerful neck, like Channing Tatum?

I have included some reference pictures to get an idea of what I'm going for.http://cdn01.cdn.justjared.com/wp-content/uploads/2009/08/sienna-106park/sienna-miller-channing-tatum-106-and-park-02.jpg via /r/motorcycles https://www.reddit.com/r/motorcycles/comments/8rjvwy/every_month_i_have_added_8oz_of_tire_weights_to/?utm_source=ifttt