Dealing with in-laws can be a challenge, but when your mother-in-law goes out of her way to rack up a 500 dollar dinner bill on your own parents dime, things become a little tense. When she tried the same thing again, OP decided it was time for a financial intervention. The internet judged. For some weird in-law shenanigans, here's the woman who introduced her mother-in-law to her dad and ended up technically being married to her step-brother.
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