(Graphic: Kat Borosky/TueNight.com) Because I work at home, my everyday wardrobe is dominated by t-shirts and jeans. But a few times a year I travel to conferences for work, and each time I have to wear a costume: my professional one. To me, the words slacks and blouse are cringe-worthy. They aren’t as offensive as moist, because slacks and blouse are missing the dreaded oi combo, but I still feel compelled to say the words in a nasally voice, making it clear that these articles of clothing — if not the words themselves — are undesirable. A few years ago, as I squirmed uncomfortably in our conference booth, tugging at my collar and re-tucking my shirt, a male colleague pointed out that I wasn’t required to dress so formally. Many of the other conference attendees and exhibitors wore t-shirts, and wearing one of our company-branded short-sleeve shirts was always an option. I explained that I didn’t want anyone to see my tattoos, one of which now goes from my left shoulder to my elbow. “Why do …