Premature ejaculation. From p. e.

Usually it begins with erectile dysfunction and premature ejaculation occurs later.Like you ,many men, have experienced erectile loss during sex, you may have found yourself in a vicious circle whereby you try to focus on your sexual excitement to avoid this loss. Unfortunately, this increase in sexual excitement can speed up ejaculation. In order to avoid ejaculating too soon, you find yourself focusing on reducing your sexual excitement, which leads to the loss of your erection. All the while this process is going on in your head, you become a spectator to your experience during sex and suffer from performance anxiety. This condition should be resolved on priorty basis because it can lead to embarrassment, low self esteem and broken relationship .

You should consult a good sexologist privately as more details are required before starting a treatment. Good luck.