Parenting is a tough job and there are so many times when parents feel that they need to apologize for something they have done or their kids have done. Many of these things are normal and stuff that you should not even concern yourself with. Just make sure that you fully understand these so that you are apologizing for the things that actually are deserving to keep everyone happy.
I found at article over at buzzfeed.com by Mike Spohr that helps you to better understand different parenting styles, what is normal and what you should never apologize for. Take some of the stress and pressure out of parenting by reading the article over at the link below.