Trust me on this, the first time you confront a major medical emergency or trauma, it is easier if it's not your family member. If you get some experience working "the street," wherever that may be, you'll be much more prepared to help those around you when they need it!
I chuckled when I read this. You are absolutely correct. During my active EMT phase, I was also raising three children. Between the two situations, I learned why first aid is a necessary life skill....