There must be something to it, too. I don't relate to a "female side" at all.
But, I DO the "testosterone" part! Invariably, when I see that hotie in the mirror, I get EXCITED!:D
Combine that with the sexy tactile feeling of the; hose, corset, and/or girdle, heels, forms, etc.
And, the erotic thot the she is ME, and,------ well------!