According to wiki: It is possible for a man to have an orgasm without ejaculation (dry orgasm) or to ejaculate without reaching orgasm. Some men have reported having multiple consecutive orgasms, particularly without ejaculation. Males who experience dry orgasms can often produce multiple orgasms, as the refractory period, is reduced.
Try out the the NLP technique. It teaches to take control of our thoughts. and to bring about desired emotional states at will. In this way, men can use NLP and hypnosis to stop being anxious during sex. That places NLP and hypnotherapy among the best delayed ejaculation treatments out there Right.