Abu Ayub Al- Ansari ( Radhi Allah Anhu) narrated: Prophet Mohammad (ﷺ) said: Whoever fasts in the month of Ramadan & then he follows up the month of Ramadan with 6 fasts from the month of Shawwal, the reward will be similar to fasting for an entire year. (Sahih Muslim) Fasting in Shawwal (short Lecture by Abdul Nasir Jangda) http://youtu.be/w-1m4motAx4
A man who developed bad habits for decades can not be expected to be amended in a day or two. Continue your guidance with Hikmah and Patience. Quran was not revealed in a day. It was a Slow and Steady process.