Mom is more concerned about zombies than I am; I can understand.

Mom does want to help; she is very cautious almost to the point where everyone, metaphorically, is a potential zombie. To summarize how this appears, it's like a high-risk rescue. You want to rescue those who are in a die situation; you have to be careful that you don't end up in the same condition in the process.

Jeanette Isabelle
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I'm not sure whose twisted idea it was to put hundreds of adolescents in underfunded schools run by people whose dreams were crushed years ago, but I admire the sadism. -- Wednesday Adams, Wednesday