If you like doing something you like it, if you like hurting people you like it, if you like helping people then you like it.
For all it's complexity and technology life has'nt changed at all, you have 2 choices you can live your life towards a good end, or you can live your life towards a bad end.
The Zorastrians (hope I spelt that right) of Persia (modern Iran) call it the god of light versus the god of darkness.
As for the foundation of free will, it's in oneself, you have to answer to your own conscience.
There is greatness in all of us Nelson and Dickens achieved greatness from very humble origins, they worked hard and succeeded they could have been lazy and got by.
You can choose to help someone or you can choose to walk on by, the greater man is the one who stops, thinks and then crosses over the road to help.
Free will is gods will, it's written in at least 3 of the main mass monotheastic (hope I spelt that right) religions we can eitther help his creation or we can hurt it.
God did'nt create the hells on this earth, people did, people wage war (for their own reasons), people commit adultery (for their own reasons), people do whatever they do for reasons best known only to themselves. No matter what you say no matter what any parent does you will never be able to take away someones right to be arse hole.
An adult has to take responsibity for their own actions, justify it to yourselves and spare me the sob story. I don't mean you personally!