I can't say 100% one way or the other, but the temple priests claim that the hold that their fuzzy gods have on us can be tenuous at best. Sometimes a person's world just kinda yanks 'em back, nothing to be done about it.

[She lifts her free hand, fingers wiggling.]

If you find yourself turning transparent at any point, be sure to visit your temple and let them set you straight. It's not much fun if left alone.