Try reading this: http://www.something-fishy.org/dangers/dangers.php, you have to be aware of the dangers of eating disorders.

Also please don't use the ipecac. It's basically a poison and can kill you on the first use... or cause permanent heart damage.
http://www.something-fishy.org/dangers/methods.php

Also... you'll find at some point that your body will rebel against starvation and will force you to binge to try to get some nutritients... it's not fun to do.

Laxatives taken over a period of time can damage the bowel and cause you to be permanently constipated...