If the nerves are damaged it may not be possible to get an erection naturally
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.
His penis was erect.
You will have to see a sexologist and follow him religosly.
no
It's slang for when a guy gets an erection.
Yes
Apart from obesity or malnourishment food have very little impact on erection. There are medications that can have that effect, but I doubt you'd get them prescribed.
No sweety that means your GAY!!!!!
yes yes
Its The Movie ( 100 Women)
Wait till your older