The reasons why there are no climaxes in your bed may be biological, but most often they are related to upbringing, the unpleasantness of one's first sexual experiences, traumatic events from the past, and negative self-image. (jlp)
Although the problem of many women who can't climax is a serious one, the solution can be easily reached. Relax, focus on your pleasure, but most of all never give up!