Hi there!
First of all, I have to say I love Push! I've already played solo and with friends and the system is simple, fun and flexible!
I also have a question: would it be okay to use the system as a tool for my writing process? I'm thinking about writing a book one day and I have some ideas about the plot and characters, but I think Push could really bring a lot to the table and help me come up with those unexpected twists and turns!