The notion premature ejaculation can be interpreted in many ways, because its relative. Taking place within minutes does not cause anything tie-up in a relationship as long as the partner herself had orgasm too, but an ejaculation can be premature even after a long lasting sex, if her orgasm occurs later.
A friend of mine said so rightly once: expectations concerning a mens performance in bed, can be compared to a dinner of a couple, which becomes perfect if they finish their meat simultaneously, they digest it together and also they use toilet in the same time.
Putting the joke away, premature ejaculation is being indeed around. The unpleasant form of it is the ejaculation ante portas (ejaculation before the gate), when ejaculation occurs before penetration.
Premature ejaculation, when the ejaculation comes quickly (within seconds or minutes) can be categorized in two types: the originally existing and the subsequently formed one.
To understand the process we have to know that ejaculation can happen as a result of stimulation of the glans (penis head), either without erection or with semi-erection, if sexual excitement becomes too strong.
The...