Struggling with tantrums, bedtime boundaries, or simply wondering how to raise happy, confident kids? Sarah Rosensweet offers peaceful parenting advice to help families find balance. Have a question for Sarah? Send us an email at editors@todaysparent.com. Q: I’ve heard everything a 12-year-old should be able to do, and mine does none of that. He can’t make anything except a waffle and doesn’t know…