You must train your intuition -- you must trust the small voice inside you which tells you exactly what to say, what to decide.
Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire into the equations and makes a universe for them to describe? The usual approach of science of constructing a mathematical model cannot answer the questions of why there should be a universe for the model to describe. Why does the universe go to all the bother of existing?
People accuse me of falling in love easily. It just means that I'm able to see the beauty in most of the people who cross paths with me and I appreciate it for what it is and also for what it isn't. Love is imperfect. Falling for someone's flaws is just as necessary as falling for their strengths. And people like myself, who fall into love easily, are sometimes the loneliest souls around at the end of the day.