What were your spending habits like as a child, and have they evolved?

There have been several discussions about spending habits here on Fluther, including those that pertain to changing due to recessions. I am more curious about how you think your spending habits started and how they evolved. Did they stay the same or change? If they changed, what was the reason?

It has been fascinating to watch my siblings, as well as the nieces and nephews, take on different ways of handling their money while being raised in the same families. What do you think causes the differences?