1. Be/ you/ confident/ more/ will/ perform/ and/ better.

-> Be more confident and you will perform better.

2. or/ Show off/ no one/ less/ you/ like/ will.

->Show off less or no one will like you.

3. Eat/ much/ too/ don’t/ but/ more/ meat/ eat.

->Eat more but don't eat too much.

4. but/ You/ try/ your best/ never/ want/ you/ successful/ to be.

->You want to be successful but you never try your best.