Considering that the decadence within onself that must be overcome again and again cannot be completely overcome for more than a few moments at a time, I have concluded that one can only be the ubermensch some of the time (at best). No doubt some of you might disagree and suggest that one can completely live life as the ubermensch, or perhaps claim that my definition of the ubermensch is lacking. I would like to hear your thoughts in particular, Sawelious. 
A few moments? Nietzsche says that almost every man is decadent for half his life. I thus see the life of a healthy man as cyclical. There are greater and lesser cycles. Half of his life, he is de-cadent, the other half his life is ascending.
It is true that the great health, which is typical of the Superman, is exposed to sickness and bad accidents again and again. Great health must be acquired again and again. Thus life, for the Superman, is one great conquest, a military campaign.
I am reminded by the way you talk of the Superman of how I used to think about him or it. I write “or it” because, in that conception, the Superman is some sort of high point, a transfiguration. Thus my Superman, the Supersauwelios, is another than your Superman, the Superimpious. One attains to one’s Supermanhood when one is inspired, inoculated by the “lightning”. In this conception, Supermanhood can only last a short time. Perhaps this is why I came to outlive this conception. For Nietzsche says:
“It is not the strength but the duration of exalted sensations which makes exalted men.”
[BGE 72.]
I once explained this to a (then-)friend as follows (he is a homosexual, by the way). Imagine you are sitting in a car, behind the wheel, and it stands still, but is off the hand-breaks. If you completely push the gas pedal down with your leg for a moment, the car will give a sudden start, shooting forward for several meters, perhaps tens of meters, but then again come to a standstill. If, on the other hand, you step on the gas lightly, but keep it pressed, you will get much farther in a much calmer, more controlled, manner. The superhuman flash of inspiration I spoke of earlier is only an impetus. What matters is the long, growling but obeisant thunder that follows it. As Aleister Crowley writes;
“Ananda [bliss] must be mastered manfully, not indulged as a vice in the manner of the Mystic! Samadhi [union with God, in this case Dionysus] must be clarified by Sila, by the stern virtue of constraint: and then appears the paradox that the new Law of the Mind has “come not to destroy but to fulfil” the old.”
[Little Essays toward Truth, Understanding.]
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More or less, yes.
Endless overcoming and endless becoming unto death.
As already explained, I consider that you attain your ‘superman-ness’ in the absense of decadence. This may be a moment of highly instinctual behavior, a moment of quiet thought, or anything in-between.
Yes, the duration of exalted feelings makes exalted men. He who feels exalted in his normal everyday life is truly more exalted than one who enjoys fleeting rapture (however intense) every now and then.
Yes but those lightning-flashes of thought raise the value of life above and beyond all predjudice.
ALthough it may sound mythically incorrect, I tend to associate Dionysus with the purest air. When the body/brain is completely in tune and only the most Dionysian instincts manifest themselves. Such a state is intimately entwined with the air of the heights, which I like to think of as the heaven of men of knowledge. What has this to do with the paragraph you’ve quoted? I guess it’s a way of saying that I agree that Dionysus can be lived via both shattering intensities and via patience and contemplation. Both have a positive role to play in bringing about the superman.
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