Herpes Genital More Condition_symptoms Is There Any Chance That A Long Term Couple Relationship Can Still Get Genital Herpes ?

Is there any chance that a long term couple relationship can still get Genital Herpes ? - herpes genital more condition_symptoms

What happens if a couple has been going on for over 2 years and I had sex with a partner, it could still genital herpes?
and what is best for the prevention of herpes?