How to make an author's Friday night

From a reader:

I have debated back and forth for the past few weeks, deciding if I were actually going to send this message. The main thought I had was "what words can I possibly use to even attempt to explain what reading his book has done for me?" Also, I know you get many messages throughout the day and I didn't want it to just be another generic "oh! Your book is so wonderful, it spoke to me, etc." e-mail. This is not to bash it, nor is it to boost your ego. I honestly don't know what it i...