Some people act MEAN to protect themselves from getting hurt, but once they trust you they'll show you their NICE side. - Sonya Parker
You lose your authenticity. The worst thing that can happen is to lose your true character and live a compromised life. The truth is, I used to be a very nice kid and teenager to everyone around me.
This single tip can change you completely and help you have more control over being too nice to everyone.
Being nice too people isn’t always the best scenario to practice. Some people might be manipulating you and using you as a tool. Furthermore, you need to have your self-worth.