You should be fully aware of the precautions to be taken while you meet people online. Verify whether the person you are talking to is good enough to be a friend. Remove people from your friends list, if he uses abusive language or if you find something fishy about him. Do not fall prey to fraudsters posing as friends and trying to seek money for medical or other reasons. Do not disclose personal information beyond a limit and consult someone if you do not understand.