More of what not to do on an interview

21. Being unprepared to answer the standard questions.
22. Failing to listen carefully to what the interviewer is saying.
23. Talking more than half the time.
24. Interrupting your interviewer.
25. Neglecting to match the communication style of your interviewer.
26. Yawning.
27. Slouching.
28. Bringing along a friend, or your mother.
29. Chewing gum, tobacco, your pen, your hair.
30. Laughing, giggling, whistling, humming, lip-smacking.