As with any training, you need a plan and a commitment to your goal. Learn to increase your sexual stamina and become a dynamo in bed. Don't over-think the act or worry about having an orgasm too soon; instead, allow your body to.
Do you orgasm more quickly than you'd like to? specific one designed especially for orgasm delay training: the Stamina Training Unit (STU).
Every guy wants to have better sexual stamina. You know that The three types of orgasms women have and how to create them. And more.