Often I post stories about twins celebrating milestone birthdays together. However, I rarely tell stories about adult twins who have reconnected in later life after some years of discord. An identical twin woman in her midseventies—whom I will call Mary—came to see me after a particularly traumatic interaction with her twin sister, Monica. These women live near one another—about a thirty-minute drive. They had a long history of getting together for family events but rarely saw one another by themselves. […]