bound for Hell
"bound for Hell" is an adjective that is used seriously to warn people off of someone -- or to slyly dismiss him or her as being so self-destructive that they are past the point where anyone could possibly help them get onto a path that might lead them to a happy, respected life doing things they like, and maximizing their own abilities.
When Karla helped to set her own sister up to be murdered, we knew she was bound for Hell.
OR
Some selfish parents are too sly to use the words "bound for Hell", but they manage to convey the same idea with whiny phrases like "we've tried absolutely everything," in order to avoid the hard work, and expense, of engaging with their teenager to help turn him or her around.
OR
Some selfish parents are too sly to use the words "bound for Hell", but they manage to convey the same idea with whiny phrases like "we've tried absolutely everything," in order to avoid the hard work, and expense, of engaging with their teenager to help turn him or her around.