This is very good! You have clear language and tone, and the meter of your first stanza is great: 5-4-5-4. The second stanza's meter strays a little, 4-6-5-4. It looks as if you are trying for iambic pentameter, and that is what makes the first stanza work so well. Think about reversing the iambic pentameter and turning the second stanza into a 4-5-4-5 pattern; this is close to what you already have, so it might be realtively easy. For instance, the second stanza could be rearranged as:
"You turn around (4) and say, "I'm a cheat"; (5) I know that's wrong, (4) as I close the door."
