Do you really think they're happy? Or even if they're happy that their partner is? If your friends are really happy, the most likely thing is that their partners settled for them and aren't really happy. Think about it, how could a woman be happy with a small dicked husband? That doesn't even begin to make sense.
Wally - most people who have male partners, be they female or male themselves, do not judge their man on his penis size. Their happiness does not rely on the cock size of their husbands. Happiness comes from all manner of things - emotional security, financial security, job satisfaction, physical comfort, health, etc., etc.. Yes, sexual satisfaction is / can be part of happiness but that doesn't rely on cock-size either, least ways not for the vast majority of people I know.
And how dare you say other people aren't happy because you don't perceive what they have to be of value. Get a fucking grip, boy!
I'm fat, ugly and have a small dick. No woman will be happy with me. That's just the way it is. It's better for me to accept that and understand my limitations than it is for me to chase after something that is impossible.
I agree with the_rev here. You are blaming your physical attributes and how you insist others perceive them for your inability to have a happy, mutually beneficial relationship. That's fucking pathetic.