Ben Affleckand Jennifer Lopez’s kids are not happy about the impending end of their marriage. According to insiders, the Good Will Hunting actor’s brood, Violet, Fin and Samuel, along with the Maid in Manhattan star’s children, Emme and Max, haven’t allowed their parents’ drama to get in the way of their tight bond. “The kids are old enough to know what’s happening,” the source spilled. “Obviously, they’re very sad about it. In a perfect world they’d love it if there was a way that Ben and J.Lo could work things out, but they’re all pretty well resigned that’s not happening.” “They have a grea…