If the level of your guilt regarding managing conflicts with your kids is high, you might like to consider reading a book about it.
The book "Kid Friendly Way to Change Behavior – Fun conflict Management Tactics For Parents" will help you improve your conflict management skills. And feel much better.
The book is available at Amazon: http://www.amazon.com/Kid-Friendly-Ways-Change-Behavior-ebook/dp/B00AW8Q7SE/ref=sr_1_33?s=digital-text&ie=UTF8&qid=1362574303&sr=1-33&keywords=parenting