Sometimes medications to treat such conditions have side effects that result in delayed ejaculation. If your problem coincided with the start of a new medication then make a beeline to your physician to discuss possibilities of substituting your medications for ones which mess less with the equipment. In this case the ejaculatory fluid goes into the bladder instead of out the urethra. Although this is a permanent condition orgasms are still possible. A thorough evaluation and discussion with your physician or a medical specialist, such as a urologist, can either help you rule out or begin making health decisions that are sex-friendly.
Some men have conscious and unconscious worries that block their ejaculations.
In other words, they are just plain trying too hard. In these instances the man is so concerned about giving his partner pleasure that he loses track of his own. Some men have a need for more vigorous touch to have orgasm than is offered by the ever so pleasurable but soft and yielding vagina. These situations can be remedied with the following exercises. But sometimes when the problem has been around for a long time or the couple is locked in chronic patterns and impasses, the guidance of an experienced sex therapist that help the couple explore these issues and help them focus on pleasure, arousal and nondemanding touch.