1. smoking: the action or habit of inhaling and exhaling the smoke of tobacco or a drug.
2. binge drinking: the consumption of an excessive amount of alcohol in a short period of time.
3. drug abuse: the habitual taking of illegal drugs.
4. nail biting: a common body language sign of anxiety/tension.
5. lip biting: a common body language sign of anxiety/tension.
6. night owl: a person who is habitually active or wakeful at night.
7. early bird: a person who rises, arrives, or acts before the usual or expected time.
8. negative attitudes: a philosophy of approaching life with criticism and pessimism.
9. positive attitudes: a philosophy of approaching life with optimism and confidence.
10. swearing: the use of offensive language.
11. superstitious: an irrational belief that an object, action, or circumstance not logically related to a course of events influences its outcome.
12. inspecting fingernails: a common body language sign of boredom.
13. scratching your neck: a common body language sign of uncertainty.
14. foot and finger tapping: a common body language sign of stress/impatience.
15. nose touch: a subtle body language sign of deceit.
16. flipping hair: a common body language sign of craving attention.
17. twirling hair: a common body language sign of flirtation.
18. cracking knuckles: a common body language sign of readiness.
19. hands behind back: a common body language sign of confidence.
20. finger pointing: a common body language sign of authority.
21. hands on hips: a common body language sign of readiness.
22. hands in pockets: a common body language sign of mistrust/reluctance.
23. frequent touch: a common body language sign of warmth/familiarity.
24. throat-clearing: a common body language sign of rejection/doubt.
25. jaw-clenching: a common body language sign of hostility.
26. eye-rolling: a common body language sign of irritation.
27. head-tilt: a common body language sign of interest.
28. whistling: to emit high-pitched sound by forcing breath through a small hole between one’s lips or teeth; usually to a tune.
29. humming: make a low, steady continuous sound like that of a bee; usually to a tune.
30. perfectionism: refusal to accept any standard short of perfection.
31. photographic memory: the ability to remember information or visual images in great detail.
32. paranoia: a mental condition characterized by delusions of persecution, unwarranted jealousy, or exaggerated self-importance, typically worked into an organized system.
33. exaggeration: a statement that represents something as better or worse than it really is.
34. intuitive: using or based on what one feels to be true even without conscious reasoning; instinctive.
35. quick-witted: showing or characterized by an ability to think or respond quickly and effectively.
36. interrupting: breaking the continuity of a conversation with one’s own statements.
37. doodling: to scribble or make rough drawings, absentmindedly.
38. irritable: having or showing a tendency to be easily annoyed.
39. gambling: to play games of chance for money; bet.
40. travel-sick: suffering from nausea caused by the motion of a moving vehicle, boat, or aircraft.
41. sensitive: having or displaying a quick and delicate appreciation of others’ feelings.
42. melancholy: a feeling of pensive sadness, typically with no obvious cause.
43. chewing gum: the exercise of chewing flavored gum which is not intended for swallowing.
44. fidgeting: to make small movements, especially of the hands and feet, through nervousness or impatience.
45. skeptical: not easily convinced; having doubts or reservations.
46. neat-freak: compulsively obsessed with cleanliness.
47. gossiping: divulging personal information about others.
48. prim: feeling or showing disapproval of anything regarded as improper; stiffly correct.
49. abbreviating: giving others nicknames/shortening names/giving pet names.
50. having a catchphrase: having a sentence or phrase typically associated with a specific person.