I noticed it in myself. I think you can learn a lot about
   yourself by analyzing your childhood heroes. For me (until
   doctor who at age 8) it was the Hulk. I had forgotten 'til I saw
   an old picture, and realized that being the fastest runner in
   school just wasn't enough. I was inadequate and ended up
   pursuing a course of upper body bulking up, first through
   Charles Atlas by mail courses and later body building. I never
   crossed the line into life-long obsession, but I could have and
   if you've known any gym-rats, there's often something not quite
   right with them.   Anyway, after this analysis a few years back,
   I gained a deeper understanding of body dysmorphic disorder and
   how ingrained some of it is in our culture. I'm not suggesting
   banning super-heroes, just noticing the potentially unseen
   negative aspects of social expectations on
   people.[1]ken-hulk-skinny-arms-strong-legs

References

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   1. http://icopiedyou.com/wp-content/uploads/2016/03/ken-hulk-skinny-arms-strong-legs.jpg