Ugh Another boyfriend with erectile dysfunction -.- ?

Im a black girl im 22 years old dating a cute black guy but he's got ED and he's only 23.. and its the 4rth in a row with ED !!!
I read in google that black men are more likely to have it but whyyyy?
Its disappointing not because of the sex but because its another relationship that won't work.. I have latina friends that dont go through this at all with their man and even say they can go long time on sex something I've never experienced and yet i have black girlfriends that tell me their man can't keep it up !!
What is it that causes this?
Any advice on how to talk this over with my boyfriend? Its embarrassing and awkward.. 4rth in a row ! Is this an epidemic on the black community?
Ugh Another boyfriend with erectile dysfunction -.- ?
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