Why Big Cocks?

This is something I wonder about. I know a lot of straight men are very attracted to trans women and very feminine crossdressers.

But why do so many guys seem to get turned on when a t-girl has a big cock? I am very attracted to femininity, which means a pretty face, a nice smile, good makeup, sexy figure, and nice girly clothes. Although I will admit that I like a natural crossdresser with tiny tits or a flat chest.

But what is it about a big cock? That's decidedly unfeminine, isn't it? I think a crossdresser with a nice little three or four inch erection is about as cute as it gets. Although I still want her to be able to cum!

But big cocks? I don't get the attraction.

What are your thoughts?