In the field LOGIN you can use your own name, if it's quite rare. However most agree that JOHN635 or PAUL348 don't sound so original. Turn on your imagination and think up something lyrical. Also don't use a part of your e-mail address if you don't want some of your curious friends learning about your searches.
These fields are not obligatory and you can simply pass them on. But it is better to leave a maximum of the information on. It is much more interesting for girls to read profiles in which your hobbies and outlooks on life are described, rather than avaricious biographical particulars. You will have a greater choice.
Do not be too overzealous or strict in the requirements to your potential bride, or "worthy" ones can be just missing. Nevertheless, try to describe her in some detail. It will be pleasant for the girl that you search for her, instead of just anybody. Even if you are not exactly her ideal, she will respond.
Do you want to have more interest in you? - Attach photos and write something interesting in the Long Answers, take the psychological test. People want to know you.