I'm guessing that many of us here have EXs of some sort or another. Perhaps posting some of their most memorable screw-ups, etc. might be entertaining and provide some relief to a few of the conflicts going on. Doesn't need to be bashing the Ex. Hopefully humorous.
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When my Daughter had the first grandkid my wife turned to me and said, "So how does it feel to be a Grandpa?"
I told her, "Fine! But I'm not going to like admitting that I'm sleeping with someone's Grandma!"