Hmmmm... I don't know about light headed. There is of course the whole sense of arousal, but I don't think I feel a sensation caused by the blood flow. I'll try to think about it next time I get hard.... hmmm, nope no change in that regard.

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Put me on wheels and I'll turn tricks.

Clever? Nah, I ran out of that years ago. But if you find this, let me know, k?
"The road goes ever on..." ~ Tolkien

In memory of my friend skip...
Go then, there are other worlds than these