So, you must start off by reciting Surah Ikhlas and Durood-E-Ibrahim as frequently as you can after each and every compulsory prayer (Namaz). Then it could aid when you recurring "Wala Houla Wala Quwata, Ila Billa Hil Aliyul Azeem" a minimum of one thousand periods day by day. Remember to do Astagfar for each of the terrible sins you probably did