I've only had one or two bad-ish experiences with tabs but they weren't as bad as yours. What happened with me was I was with about 5 other people who where also high and they kept going off in two or threes and having private chats which made me really paranoid which made me come down suddenly; it was pretty horrible. If I ever did take those kinds of drugs again it would be with people who are considerate about you and your feelings like proper friends should be; and not make you feel like shit and freak you out. The worst thing you can do to someone when they are on xtc is be horrible to them. This could actually be dangerous and cause them to have a panic attack or something. I know you could say "well, it's their own fault for taking drugs" but if you can't rely on your friends to be nice who can you rely on?

Have you thought that it could have been some other ingredient which caused you to feel so bad? The pills where I live are cut with ketamine but I don't mind this because the ketamine makes the come-down nice and mellow and doesn't freak you out. The only bad thing though is that the high is not as 'energetic' as pure xtc; it's still OK though.