I was trying to spend it as quickly as possible. Because I'm so lazy, all that money created a block. I was flying around the world, staying at fancy hotels, having fun and trying to get rid of it as quickly as possible, so I could get on with some more work.
The trip I made to Angola to study the prehistoric contents of the gravel beds as a means of deciding the age of the deposits and their economic potential was the first time prehistory had ever been used for such a purpose.