measuring advice? studies?

[byakugan2]

hey guys iam wondering why my penis is biger while iam sitting then standing
if measure sitting with bone pressed (hard) its 18 cm (7 inch)
if i measure standing NPenis EnlargementL its only 14,5 cm (5,5 inch) . so whats the real size? and how do they guys from the durex/kinsey studies measure????

 

[DLD]

I say go with your best measurement position, it just needs to be accurate. If sitting down gives you a good, consistent measurement stick with that.