It is understandable that there will be some problems while writing a believable and reliable personal statement. The employment agent can interpret all your lifelong experience together with professional skills that you deem important in a different way. At the same time, some small things can be much more relevant than you imagine them to be.
Moreover, it is enough to gather all the information. It should be given in an appropriate and organized manner, which is easy to understand. When you come to the conclusion that you alone cannot do that and your relatives and friends are also no help to you, you need not fall to despair. You can ask for professional writing help.