>A girl doesn't have a dick
>therefore, she can't really know what/when/how/etc make dicks feel good
>therefore, either (a) she learned it from somewhere or, (b) she is a man
>(a) secondary knowledge can't replace a first hand experience
>therefore, she is a lying whore for telling you how good your dick feels.
>(b) she is man because she can tell how good your dick feels.
>conclusion, VAs are either lying whores or men.