"My mom has told me directly that I’m not going to get into heaven"

Kino Douglas, 31, a self-described agnostic, said it was hard to be with his sister Stacey, 33, who “doesn’t want to talk about anything else.”

“I’ll say, ‘Oh, what are we going to do this summer?’ She’s going to say, ‘The world is going to end on May 21, so I don’t know why you’re planning for summer,’ and then everyone goes, ‘Oh, boy,’ ” he said…

“At first there was a bit of anger and tension, not really listening to one another and just shouting out ideas,” Mr. Daniels said.

But his family has come around to respect — if not endorse — his views, and he drove from his home in Newark, Del., on Monday night in a van covered in Judgment Day messages to say goodbye to relatives in Brooklyn. “I know I’m not going to see them again, but they are very certain they are going to see me, and that’s where I feel so sad,” he said. “I weep to know that they don’t have any idea that this overwhelming thing is coming right at them, pummeling toward them like a meteor.”