MASTURBATIOIN TRAINING VIDEO #2: How to Avoid Premature Ejaculation. Here are NINE techniques to help increase STAMINA so that you can enjoy sex longer. These techniques are also great for bators wanting to prolong their sessions and reach higher states of arousal for extended periods of time. Men wanting to learn how to have multiple orgasms (another video in my masturbation training series) will have a head start to that lesson by practicing these tips now.