My Ex Wanted to Skip Child Support for a European Vacation—So I Gave Him a Suitcase He’ll Never Forget

I (36F) have been divorced from my ex-husband (38M) for four years. We share an eight-year-old daughter, Lily, who primarily lives with me.   Our divorce agreement states that he pays $850 a month in child support and has visitation every other weekend. Mark—let’s call him that—has always been… difficult. During our marriage, he’d blow…