One of the things I always question about superheroes, can they hurt themselves? If Superman for example stubbed his toe, or bit his tongue, or such things would he actually bleed? Can he bleed? While it’s assumed that he is made of steel and what not, if you look at things like humans being able to punch a board and not have a scratch, it shows there is a difference between intentional and unintentional damage. Just some food for thought. Hmm food…