HOW TO AVOID BEING CRINGY 101.

1. Stop bragging.

2. Don't over confident.

3. Abort mission if things getting awkward.

4. Don't laugh at your own jokes.

5. Never try something new in public.

6. Don't embarrassed yourself.

7. Stay low-key. Be humble. Be nice.

8. Get a grip of social norms. Don't try to be different. 

You don't wanna die in embarrassment.