When Jim Obergefell and John Arthur boarded a charter medical jet one summer day in 2013 to exchange vows, national attitudes towards same-sex marriage were shifting. That May, a record-high 51% of American adults said they were in favor of allowing queer couples to marry,

Jim Obergefell, the plaintiff in the Supreme Court’s landmark same-sex marriage case, urges LGBTQ advocates not to let their guards down.