one of the things I’m worrying about in revisions is voice.  I have two main point-of-view characters, and I have to say that I’ve been foolishly letting their voices elide into each others.  And so I’m making lists now, on the second time through, of characteristics of speech.  Subtle things that distinguish one character from another.

For instance, one of my characters speaks very precisely.  He’s not even allowed to think the words “thing” or “what have you” or “such like” or any of that.  He identifies everything in detail–at least in his head; he’s a bit more shy when he speaks aloud, a problem he deals with as the book goes on.  And as the book goes on, his outward language starts matching his inner thoughts more and more.  If he can attach a quantity to something, he will.  “Five” is better than “some.”
Another character is — well, he’s fluffy.  He’s not stupid, but he has his own brand of special logic.  And so for him, everything’s about imprecision.  He uses the word “thing.”  He weasels.  He makes sweeping statements that character number one would shudder to hear.
Yet another character is lovable but–at least until near the end–very selfish.  And so everything she says (she doesn’t get a point of view) needs to subtly indicate that she only sees the world through her eyes.
And yet I have to do this without being too heavy-handed.  I hate it when authors set off a character by giving them one thing that they say over and over.  I don’t want to hit my readers over the head with the differences between characters; I just want to make it subtly obvious that they’re quite, quite different.
So what do you do to set your characters apart?  Any tips?

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