involve in more fore-play. use partner-on-top position for the next one month and donot worry about anything else.
u can also put cold
water splashes onto ur genitals for 10 minutes twice daily.
u can use regain powder 1 tsp twice daily with milk.
erection of penis and ejaculation also varies from person to person. the average is supposed to be less than a minute. pls revert back.