For gay men, the demands of the AIDS epidemic are enormous and unrelenting. Regardless of HIV status, all are called on to maintain vigilant safety with sex, to face down a cultural stigma greater even than homophobia, and to somehow find a way to go forward in a world heavy with loss. As exhaustion and grief threaten to overwhelm the activism and optimism of earlier years, and with new infections on the rise among young gay men, the challenge of finding meaning in a world turned upside down is more than an idle philosophical exercise. It is a matter of psychological and perhaps even physical...