I have 2 older brothers who are identical twins. I have seen them naked lots of times and they have average penises hard (probably 5.5 to 6) and small to average when soft. My younger brother is just a little bit larger than the twins. I am definitely a shower, my flacid penis is the size of my brothers' hard ons, but erect I am just a little over 8.5. I have seen several of my cousins naked, and they are all average or small. I've never seen my dad, but he does have a big bulge so I imagine he is pretty big. My penis size bothers my brothers, especially one of the twins. When I was 17 and he was 19, we were all living at home, and I used to tease him about his little dick all the time and never missed a chance to get naked in front of him. Once I walked in the bedroom naked and hard when he and his girlfriend were there talking, just to show off. I pretended I didn't know they were in there and acted embarassed. That made him so mad! We haven't talked about penis size in years, though, and all my brothers are happily married.