writing a thesis is a painful process

Writing a thesis, I have discovered, is a painful process, so to inspire me in my writing and to let me see an overview of my research topics, thought I'd make use of Wordle and create image clouds of each chapter as it progresses.
Here's chapter 1:

Finally, although it's not writing a novel, I can take some comfort from the words of one of my favourite authors, George Orwell, who said that;

Writing a book is a horrible, exhausting struggle, like a long bout of some painful illness. One would never undertake such a thing if one were not driven on by some demon whom one can neither resist nor understand.- Why I Write

May the illness end soon.