I think the issue in the BBC premise, is the very first word, Big ! Big is in the eye of the beholder. In my opinion a man should never tell a woman he has just met that he has a big cock. Fellas what is big is for women to decide, Not us. For instance a woman that has had a 10 inch cock, for her 8 inches is not going to be that big, however if the largest a woman has ever experienced is a 6 inch cock, that same 8 inches is going to be huge.
Let her decide if you are big or not. As for the ladies, my questions is are the exact number of inches really that important??? I mean how many ladies can really eye ball a cock and know exactly if it is 10 inches or 8 inches ? How many women can tell 7 inches from 9 inches just by looking at it ?? I think the main thing a woman can notice is Girth, But how many inches long who really knows and ladies does it really matter as long as it feels good and hits the right spots???