What I often say to people who are quick to say I’m not a feminist is if you think you’re not a feminist, give it all back.
Compared to other parents, remarried parents seem more desirous of their child's approval, more alert to the child's emotional state, and more sensitive in their parent-child relations. Perhaps this is the result of heightened empathy for the child's suffering, perhaps it is a guilt reaction; in either case, it gives the child a potent weapon--the power to disrupt the new household and come between parent and the new spouse.