Photo: Last Men Standing: AIDS1218_EB_005

David Spiher pets one of his dogs at home in Hayward, Calif. on December 4, 2016. Spiher has been caring for his husband, Ralph Thurlow, who has HIV-Associated Neurocognitive Disorder. The couple was part of the Chronicle's first feature film called Last Men Standing about long-term HIV survivors.

David Spiher pets one of his dogs at home in Hayward, Calif. on December 4, 2016. Spiher has been caring for his husband, Ralph Thurlow, who has HIV-Associated Neurocognitive Disorder. The couple was part of the Chronicle's first feature film called Last Men Standing about long-term HIV survivors.