I’m less of a worshipful Donna Tartt fan than many, but I am willing to grant that she’s in the 97th percentile in terms of quality, which means way the hell better than me on her worst day. She produces a book every decade. It’s her speed. Here is talking about that with Charlie Rose. Now, there’s entirely too much Charlie Rose and not enough Donna Tartt, but she’s still very wise and very wonderful.
Like Tartt, I have to be alone to work, it’s that simple. Maybe you can only write if you have somebody willing to read your stuff. Figuring out what makes the process work for you is a lifelong challenge, but it’s important if you want to get work done.