I was chatting to another t girl earlier, we were very similar in age and in interest in sport and in playing sport, married with accepting wives and both engineers in different engineering disciplines but both in stressful jobs.

She had a theory part science that as we form in the womb were female and we via the biology of it all become men or stay female.

Her other theory was she was the 4th child after 3 brothers and her mother wanted a girl and lo and behold born a boy but crossdressed from an early age.

No idea if my mother wanted a girl first but born a boy and crossdress from young as liked the feel back then.

Biology wise though I have nice legs no amount of exercise could make bigger always teased for skinny legs yet left people for dead in a sprint or over distance, long eyelashes which make women jealous which my kids inherited and lack of Adams apple.

So maybe there is some science to crossdressing in my biology but then psychology too no doubt sparked from women's clothes magazines and catalogues especially the lingerie section....