Human development professionals attempt to understand the intellectual, emotional, cultural and biological development of people .
Make yourself at home.
Thoughtful. Colorful. Spirited. Engaged.
Mean. Argumentative. Abusive. Profane.
Or more eloquently stated by William Shakespeare:
Conversation should be pleasant without scurrility, witty without affectation, free without indecency, learned without conceitedness, novel without falsehood.