Prologue

When I was young, I was the kind of kid that would have to rip out the answer keys at the back of every workbook I bought. If I didn’t, then when I was even slightly stuck on a problem, I would turn to the back of the workbook to steal a look at the answer. The solution and the solving process. I could never refuse that sweet temptation.

I was more amazed at the kids would could resist that temptation.

How did they resist?

Anyways, that was when I was young. I was now at that age where I have no use for workbooks and I couldn’t steal a look at the answer keys to the problems I will face.

However…

One day, I suddenly started to see the answer keys of my life.