They will tell the common breathing exercises, blow bubbles in a glass of water, blow pieces of paper ,make you talk very slowly. You will be getting better and talk like an ordinary person for next months and then it relapses so it's never a cure for stammering. You need to accept it and get support & motivation from family members in first part of life. It's tough in first part till you reach 35. After that stuttering effect vanishes slowly and it will be around 10% for rest of your life in 40s.