Ian, I think it depends on your "level" of practice. By level I do not mean rank. I mean your true inner motivation for training. Is your training aimed toward spiritual purification, physical prowess, a**-kicking or all of the above? Depends on the person.
Am I ready to die on the mat every night? Literally asked, my answer is no. Spiritually asked, my answer is, without hesitation, yes. When challenged off the mat, these answers are reversed. But that's just me.