I found being df'd (and seeing it coming) very painful. And thrilling at the same time.
Understanding how and why it was painful was illuminating too. Through the process I realised, for instance, how much I cared for the esteem of the people I loved. That had to be left behind. But it did hurt a lot.
I watched "my faith" struggling its way, step by step, against what (as I learnt later) Kierkegaard called "religious doubt" -- doubting your own motivations for every act; learning thus that not even faith can be secured -- that being, perhaps, its very essence -- and choosing it anyway rather than somebody else's "truth".
All in all it was very intense. A storm of despair and nonsensical joy. And the "clean cut" that df'ng and shunning bring was certainly better to me than the possibility of hanging indefinitely in the outskirts of a slightly more tolerant organisation.
I guess martyrdom beats it but the opportunities are scarce lately.