Men with PE ejaculate before or shortly after sexual intercourse. While there is no “correct” time to explain how long one should last during sex before ejaculating, the consensus among specialists is: if a man lasts less than 2 minutes after
penetration (all or most of the time), and/or if it leads to frequent dissatisfaction for him or his partner, he may have PE.
Symptoms of PE occur all or most of the time during sexual encounters - including the first few ones.
Symptoms of PE occur after previous sexual encounters entailed no ejaculatory issues. In simple terms it means that the man did not have PE earlier, but, developed it later on in his sexual life.