Premature ejaculation is a form of
erectile dysfunction, and there are treatments for it, but no
cures unless they can fix something that's physically wrong, and there isn't always something physically wrong.
https://www.mayoclinic.org/diseases-conditions/premature-ejaculation/symptoms-causes/syc-20354900 - in the treatment section, there are some things you can do, like strengthening your pelvic floor muscles, the squeeze technique, etc.