If there were such a thing, it would be like everything else . . . it depends on the woman. For most women, it would be very painful, especially because it would be much wider than normal.
To get an erection you need to either be aroused or masturbate, it may take a minute or two but that is the fastest way to an erected penis
There are a number of medications that have a side-effect of impotence, the inability to have an erection.
Not all guys can do this, but if you keep stimulating the penis after ejaculation you may eventually produce another orgasm. Initially, the stimulus should be just enough to maintain the erection.
erection
Yes bones are as hard as rock they can take up to 1,000 pounds of pressure
Millions and millions of years.
If the rock is a soft one it will weather faster if it is a hard rock it will take longer to weather
If the nerves are damaged it may not be possible to get an erection naturally
For most people, there is no relationship between smoking and the firmness of the erection. (But many partners find "smoker's breath" unpleasant...)
No
Depending on his age, health and other factors, I'd say average would be from less than a minute to a few minutes, if you are actively trying to gain an erection. If you are talking about a passive erection with no stimulation then it can take a long time.
Prolonged erection is an abnormal phenomenon with regard to penis health. This is caused by taking drugs like viagra for this purpose. Male without confidence in their capacity for erection, tends to take pills before sexual encountrol to prolong erection. Natural penis erection is the best method when dealing happy sex life.