What helped me pass better before i started T, was that i watched and took mental notes of how men carry themselves casually, like while standing, walking, talking, etc. i didn't think i passed very well because Im 5'5", had a high pitched/ soft voice and am fat (hard to hide curves), but normal people genuinely don't really seem to notice those things/ clock you if your body language and demeanor lean more masc. also if it helps at all i know multiple naturally blond cis men