Something so simple.  Yet, so true. Yes, it takes time.  Yes, an introvert would need to leave the safety of their comfort zone.  Making a human connection.  I care.  You matter.  Need to work up to top of the ladder.  See full and worthy post from The Chief Happiness Officer:

“Please do not underestimate the effect of something as simple as saying good morning at work.  Studies show that when you have a good start to your work day, you’ll typically have a good day. Here’s our easiest and best tip for kicking your work day off with happiness: The Level 5 Good Morning.  We call it that because there are several approaches to saying good morning at work:

• Level 0: You ignore people completely
• Level 1: A somewhat unintelligible grunt
• Level 2: Saying good morning without looking at people
• Level 3: Make eye contact as you say good morning
• Level 4: Also say something more than just good morning, e.g. “How are you?” or something more personal.
• Level 5: Also touch the other person – e.g. a handshake or a pat on the shoulder.

At what level are the typical good mornings in your workplace? And what would happen if you took it to level 5?”

Even a dog can learn to do it for Pete’s sake…

Image Sources: Whale and Dog.