It is a suggestive of a condition called premature ejaculation. Although, a detailed knowledge about the history and associated factors is needed to confirm the problem. There may not be any specific cause seen, however stress and anxiety are two most common associated issues seen. Secondary loss of desire to have intercourse is very often the result if the condition is not treated. Low self esteem, performance anxiety can occur. Most importantly, it is important to understand that it can happen to anyone and there is a treatment available. With suitable instructions and if required, with medications, it can  ve completely cured.