3 signs that you take things way too personal are if you're 

1. easily offended 
2. you have a need to be right
3. if you're easily triggered

6 Tips on How to not take things personally:

1. Understand you can’t please everyone
2. Know that your not defined by what others think or say about you
3. Understand your self worth
4. You don’t need approval from anyone
5. You are not responsible for others peoples emotions
6. Understand that not everything is about you

How to be a better communicator:

1. Listen- not to respond but to understand.
2. Assume the best intentions.
3. Ask questions if you need clarifying
4. Don’t take it personal, even if they are talking about you 

When you stop taking things so personally you regain your power and confidence, you are able to move through difficult situations, and see life from a different perspective.