Understand that revealing one's sexuality can carry significant emotional weight and risks. Before he came out of the closet, he considered his family's attitudes towards homosexuality.
Pro Tip 2/3
Personal Choice
It's a personal decision; the phrase should be used respecting someone's choice to share or not. It's not our place to say when someone else should come out of the closet.
Pro Tip 3/3
Privacy Respect
Use the phrase considering the individual's privacy and the context of the conversation. Respect his privacy; don't discuss his coming out of the closet without his consent.