Of course you loved to stay online, but focus on the fact that you do not always reveal everything online. Here are some things that are good at keeping quiet.
Photo & Video
Can be excited that you have ever posted online, see later years, to bother you. Any thing you have posted online, do not delete it entirely. Note that he never exposed to such things, which you Coligs, parents or other people want to hide.
Your phone number, address and such other things not public. Of course, if you think that these things only in your friend circle and they will know that your strong faith. That belief can become a problem. Similarly, do not give your address for a lucky draw, you know, when it becomes unlucky.
Can be your teacher, friend or boss, Anything you do not like about them, then do not comment about it on the net. Maybe this comment to a way to reach them. May have an impact on your promotions and Increment. The code - from Word to Avoid to comments.
Your bank account numbers or ATM PIN number not take the risk of such things. Peyment the online bill has to do with the security. If an emergency, you do not risk it. If you have nothing to say about it, then give him the information. Also you can avoid to give details of many other things, like go out somewhere, etc..