I will just leave a reply to this.
Know that the your body grows until you are 26. And then only can really come to terms with your ejaculation and the whole scenario of timing. Until then.. just know that you body is still evolving that the systems are not yet in full function mode.
But of course timing (the main questions asked)
There are hundreds of way to do it.

. Starting from your well known (madana moodakaya) to Spray's like "Stud" in local pharmacies to extra crazy ways like expensive pills and special exercises.
But remember.. everything has side effects. Even the so called exercises has them. So I should warn you not to try any of these and mess with your natural body functions and the whole system.
Making love for one hour is boring ! .. and I am sure any one who's frequent in sex would attest that it's long.. boring.. and the female partner also doesn't much appreciates to get drilled for one hour by a steam engine ! (sans gang-bangs)
Let the porno be porno.. that's their whole business.. and they can't pay for many prostitutes if there were to include 9-10 woman in one video

.. so either it's edited or the ejaculation is delayed
But as per the original poster asking the question....... if you want to delay the ejaculation... firmly press and hold the base of your penis just before you have the sensation to cum. That will delay it.. and if you do actually practice this method.. it will gradually be easy to control and the time will extend naturally.
But even that.. I don't recommend. If you really want to have sex for a longer period of time.... JUST STOP !
Stop means... stop.. foreplay.. sex..... stop...foreplay... sex... stop...foreplay.. (you get the idea right

)
Sex is not just banging away and re-inacting the porno you saw last night.. It's about enjoying your self.. and making sure the lady also enjoys it (even more than you)
So.. be a MAN ! .. not a fricking STUD in porno's and act like a man as well. Let your lady know about your self.. and I am sure the lady will also help you in every way she can (physically, morally and mentally) if she really loves you ... (women are human too.. and they can help men if we are to let down our ego a bit and ask for it....and they are more than willing to do anything is she know's you are honest)
Again.. maximum time for sex = Half an hour ! ............ Average (and enough) would be 15-20 minutes. (please do note that here the timing means actual sex without the foreplay etc etc)
Anything less than that is Acceptable depending on the situation and the female partner.. and anything more than half and hour is fucking insane and boring to you as well as the female !
So.. first
Grow up
Second
Be a man
Third
Let the female partner know and trust her to be your ally in the adventure of sex rather than an object which you can have sex with !