Not sure if it's Erectile Dysfunction -Before Sex or During sex

Damage to nerves, arteries, smooth muscles, and fibrous tissues, often as a result of disease, is the most common cause of ED. Diseases such as diabetes, kidney disease, chronic alcoholism, multiple sclerosis, atherosclerosis, vascular disease, and neurologic disease account for about 70 percent of ED cases. Between 35 and 50 percent of men with diabetes experience ED.

Actually i think that ur case might be ED. But it could be many factors to consider:

How active u are, do u work out enough to keep ur hormone & libido in shape & working where its not too low?

You might be using the wrong type of condoms to wear u get too much sensation too fast & should try something different. I think Trojan has a brand that helps Premature ejaculation but I am not sure the name.

Or u might not be physically & sexually attracted to the girls youre hooking up wit.

Try using more foreplay turning sex like Oral to stimulate u more but dont have her do it until youre bout to orgasm. Just enough to get u stiff enough to put work in.

If that does not work u might need to try some techniques to help ED or see a doctor.

Premature ejaculation (PE) is one of the most common sexual dysfunction in man. If you ever came too soon than you know the real meaning of the word embarrassing. The good news are that there are solutions for this problem and this article will discuss some of the tips and techniques that can help you to last longer during sex.

it might not be ED. it could be stress. when your stressed then you have trouble getting it up.

Thats what you get for getting circumcised, if you stayed normal your peep will never fail to support you