I started again in June of 2009. I watched a little boy who was 1-year-old, for a little more than 2 years (reference available).
I have also grown up with 5 siblings, a single mom who worked full time, and a step father who worked 2 jobs. When my parents were not around, we've always had to care for each other. As each sibling grew older and moved on to college, the next sibling down was responsible to help clean, make dinner, help with homework, and get everyone prepared for bed. I was a middle child, so I looked after two of my younger brothers, before moving on to college.