5 years' worth of photos show how testosterone affected one person's life.

Even though he was born “Katherine Elizabeth,” Skylar lived like a regular little boy for most of his childhood. He was happy. This is Skylar. But when puberty hit, he started feeling intense pressure to be “normal” and fit in. So he tried to present as more traditionally “feminine.” But he couldn’t shake the feeling …

5 years' worth of photos show how testosterone affected one person's life.

Even though he was born “Katherine Elizabeth,” Skylar lived like a regular little boy for most of his childhood. He was happy. This is Skylar. But when puberty hit, he started feeling intense pressure to be “normal” and fit in. So he tried to present as more traditionally “feminine.” But he couldn’t shake the feeling …