So, you need to begin by reciting Surah Ikhlas and Durood-E-Ibrahim as generally as possible soon after each individual obligatory prayer (Namaz). Then it could assist in case you recurring "Wala Houla Wala Quwata, Ila Billa Hil Aliyul Azeem" at least 1000 moments day by day. Remember to do Astagfar for each of the terrible sins you probably did