Well first off, I'd consider myself in the average range, not "hung", since I am like 6 1/2".
I think it's in a hung man's best interest to agree with thinking that being hung makes you superior to another man because it does, but only in ONE WAY--penis size.
In the "real world", most girls (aka not size queens) are going to want to sleep with a handsome, average-sized guy than an unattractive guy with a big dick. Not quite sure why we keep stumbling over this topic again and again.
Wait, I already hear it--"BUT WHAT IF HE'S ATTRACTIVE AND HE'S HUNG?" Well, more power to him. He has greater "worth" in our culture. There's always going to be people above and below you, even if you feel you're all the way on top or at the bottom of the barrel.
I'm only 20 but I feel I've come to terms with my assets--what I have, what I don't have, whatever. I'm still learning more about myself everyday and so is everyone else. People often get insecure because they don't know where they stand so they bash others. This is why when I was in my teenage years I thought I had a gross body and a small dick. Turns out that I actually have a pretty nice body and penis. Before I came to these realizations though, people made me think otherwise...I've learned how to avoid these kinds of people and just try to maintain a healthy view on myself and not feed into another's insecurity which would only bring me down.
I somewhat have myself to blame, however. I used to be pretty cocky (out of insecurity, obviously) and that's what triggered people criticizing me harshly. I was seeing this girl who pretends to be a size queen. I know that sounds weird but it's true. She'd over-emphasize its importance and always crack jokes/make comments about penis size to sound "cool" to her friends and sound like she's experienced and knows what she's talking about. The turth is that she wasn't very sexually experienced at all. We had sex and it was terrible--she was clumsy, slobbery and overall just an embarrassingly bad fuck. I stopped seeing her and never told her why (it wasn't the sex, she was just a bitter girl and incredibly clingy). Not long after she implied to my friends that I was "lacking". None of them directly told me but I can tell it was the case through vague comments. I decided to be the "bigger man" (pun, kinda) and not tell them the truth of how horrible she was in bed, how unhygienic she was or any other personal stuff that would ruin her. Blech.
Sorry, totally went off on a tangent there...anyway the moral of the story is that we all have our pros and cons and being endowed in one isn't going to make you an overall better person than someone else. These things are all cultural, anyway. It's easier to forget that the Romans found small penises attractive. Oh yeah, they were also gay too. Fair skin was also desired, unlike the tans that everyone lusts for today. None of that flies today. It's all cultural and shit changes.