Freedom to differ is not limited to things that do not matter much. That would be a mere shadow of freedom. The test of its substance is the right to differ as to things that touch the heart of the existing order.
I have spent so long erecting partitions around the part of me that writes - learning how to close the door on it when ordinary lfe intervenes, how to close the door on ordinary life when it's time to start writing again - that I'm not sure I could fit the two parts of me back together now.