Don't hurry! It will take time to get there.
I believe a combination of my sexual ChiKong and the dietary supplements, ViaGrowth-III/Fibra + Ginseng Power Max 4X, help you solve the PE problem. The supplements help you power your erection. The Sexual ChiKong breathing switches your brain function from sympathetic to parasympathetic, when you can start sex with a natural erection without oral sex or hand jobs on your penis. The side effect of practicing my sexual ChiKong breathing during intercourse is that you will learn how to screw her, instead of pumping her, after penetrating. Sexual Screwing between the penis and vagina, which substitutes the oral sex and hand jobs in the foreplay, will cool your mind and prostate down. And then, initiate the natural penile enlargement to power up the penis. I won't perform heavy pumping on my wife before my penis start to power up and expand to about 120% of the natural erection. The power-up penis creates a high blood pressure in the penile shaft to block the nervous transmission between the glans penis/trigger zone (the male G-spot) and the prostate, and then the penis becomes desensitized, as shown in
http://www.linplaza.com/cases/case7648.htm
where the ballooing method must be incoporated in to the lovemaking.
Having sex for 2 hours requires a lot of hormone to burn. The most critical problem is that your body must be able to continuously produce a testosterone burst and burning that support your penile ballooning. That is, you must hold your ballooned penis for two hours. When your parasympathetic nervous system starts to quite your erection, you will start to sweat and the sympathetic nervous system is taking over the control of your body during sex. As a result, you will ejaculate or your erection will go limps. This is what we call the "Fight and Flight" command. Here is my perosonal experience. Before I reached my 45, I would hold the powered-up penis for 2 hours and, continue to pump with a numbed, hard penis and sweat a lot until the penile erection starts to recede. My ejaculation desire was gone after a heavy sweating. I think My brain treats this type of lovemaking like a cross-country marathon and turn on my sweating glands instead of the ejaculation controller. Now, after continuously holding one-hour erection during lovemaking, I will start to sweat. And, after 90-minutes lovemaking, the penile erection will ebb and I don't want to ejaculate any more. I feel aging do affect my sexual endurance these days.
As long as you can balloo your penis, you will have 2 hours sex without sweating! You are still young.
Another hint for her orgasm: You must trigger her orgasm before your penile erection OR her G-spot engoregement starts to recede. Her G-spot becomes numbed and shrinking back after her testosterone is burned out. This generally happens after 40-60 minutes pumping. That is, a long-hour lovemaking may numb her G-spot and clitoris, resulting in no orgasm. As a result, both of you will feel exercise fatigue without ejaculation and orgasm.