Please check grammar

I don't speak English, please, check grammar these proposals (this is personal confidence building plan):
1. I will think only about good
2. I will plan and preparation to any interviews
3. I will wear bright colors
4. I will smile
5. I will try not to touch my face and hair
6. I will not cross one’s arms and legs
7. When I be interviewed, I will to look in the eye
8. I will to sit up straight
9. I will to relaxed posture
10. I will try not eyes downcast
11. I try not to put your hands between your legs crossed when I sit
12. When I sit on the sofa i will to stretch one's arms along the back of a sofa