1. Switch positions- Keep on switching positions while having sex especially when he tries to go. The best recommended method by most experts is the girl-on-top; missionary style makes men stay in bed longer. You can also try something new and ordinary out of your sex life. New positions will distract him because his body is not anticipating.
2. Try edging- When he is about to orgasm, make him stop. Most experts say that everyone has an orgasmic point of no return but edging will train his body to delay and enable him to spend more time at the edge. The best way to know if a man is about to orgasm is when he increases him pace.