You can literally force yourself to be courteous, happy and enthusiastic with every person you meet. After you have forced yourself to be so for a short period of time... the habit takes over.
Zig ZiglarHonesty and integrity are absolutely essential for success in life - all areas of life. The really good news is that anyone can develop both honesty and integrity.
Zig ZiglarRich people have small TVs and big libraries, and poor people have small libraries and big TVs.
Zig Ziglar