I ejaculate with in a minute, how to slow down?

A few ideas: A condom or a dab of anesthetic on the glans may be all that's required. Your physician may prescribe a low dose of a SSRI. Or you can learn the squeeze technique and practice with your partner. The latter is fun and will make you a superior lover. Best wishes.

Here are some ...: PE has affected some 5-40% of men one time or the other over lifetime. Despite no definite means to rid it permanently, the following may help slowing it down to meet reasonable satisfaction as follows: Do sex under less stressful environs and with ample foreplay to bring, move, & match with your partner's pace of sex arousal; slow down the pace & decrease the depth of penetration; and others...