Make positive statements that promote your skills and increase your confidence and repeat such statements daily. Always send yourself a steady stream of affirmations, such as

"I am a capable person"
"I remain calm no matter the circumstances"
"I live up to my own standards"
"I am kind toward people"
"I am confident in all situations and respect myself"
"I choose the way I want to be"
"Life brings me challenges to grow stronger"
"I acknowledge my mistakes, learn from them and move on"
"People and God are always willing to help me"