I find Your cellphone number is better as it prevents people out of your area texting due to high rates (and prevents spam) because e-mail can lead to spam, and this way you ca remain annonymous if your friends find your profile as they likely wont have your number memorized).
When you are finished your profile should look something like this......
This website isn't just for Guys seeking girls though, it's for everyone searching everyone. Firstly find you're country (for example Canada) (right now I only have countries since I'm just starting, but later I will make provinces/states, and eventually cities and towns).
Next click comment and write you're name (or a screen name for privacy, and so one nosy classmate doesn't try to use this against you).
If you are new to online dating or want to find out more about the online dating scene then check out the Soulmates Blog for great tips and advice.