I have an unsteady faith, even if I believe in God, but it could be because if you aren't saved, as in accepting Jesus as your savior, admitting your a sinner, etc. There's verses about this . That said, i often feel the same, when it wasn't always like that, cause I want to believe, but the same can go for believers out of fellowship. I may be once saved always saved, but that's not something I want to take advantage of, as I've probably stated. That said, if the rapture happens, and I'm left here, I'd Be incredibly happy no matter the sufferings I'd face