SPECIES 1. Rigid/stubborn. Force a trade that isn't there. 2. Ignornant. Know nothing about the issue. 3. Arrogant. Won't admit an error. 4. Myopian. Eternally hopeful.. Perma-bull 5. Hesitant. Indecisive. Procrastination. 6. Under-capitalized. Too large position size. 7. Over-confident. Stay at the party too long. 8. Tight. Quibble over fills or excessive waiting for a price. 9. Anxious. Frequent quotes. 10 .Masochists. Need to have someone to blame. Excuses. 11. Plungers. Kamakazee. 12. Cowards. Depend on others' ideas 13. Sports. Need action. Hyperactive Over-trading. 14. Divorcee. Roving eye. Can't hold a position. 15. Smart. Outdo others. Make simple concepts complex. Seek perfection. 16. Socialite. Purchases for purposes other than making money. Need to be right. Buying what everyone else is. Apple comes to mind. 17. Hedgers. Ultra-conservative. Mediocre returns at best. 18. Contrarian. Just for the sake of taking the other side. Long term stats: 10% consistent winners. 40 to 50% boom then bust. 30 to 40% consistent losers (until they're gone). I posted this 4 or 5 years ago and received a host of smart ass remarks. Let's (figure of speech) see IF they're sitll here.