For some males, it can take seconds. For others, it may take a minute or two.
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.
about 5-6 seconds if you are real sexy
You will have to see a sexologist and follow him religosly.
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.
erection
Nope, Your screwed.. (: Have fun without an erection.. :P
no
No
you get an erection
As long as he ejaculates in you, you can be pregnant.
its done growing when you have a massive erection like Ron burgandy.