Hi, just a suggestion that worked for me when i had the same kind of problem, too much anticipation!!! Its based around the jerk off idea but what you do is, (and it takes a couple of practice tries) jerk off a little a couple of hours before you are liable to be doing anything but stop just at the start of your build up to orgasm so that the result is you just leak a little semen but dont actually experience a full orgasm or ejacualtion, just a mini kind of start of one, then you dont have the turnaround time to worry about, and it "lets the pressure off" if you like, this proved spectacularly successful and really sets you up for a good session a little later, worked for me anyway!!!