First of all you need to have a rigid feeling of building that habit which you want & than you can follow these few easy steps to pursue your goal

1. Remove the cues from your environment that make you distracted from your goal.

2. When you try to build a habit to doing something you are also trying to quit a habit of not doing it.

3. Consume the kind content which motivates you to follow your goal.

4. Our willpower is limited so don't try to adapt multiple changes at the same time.

5. Imagine the personality which you can become by achieving that goal or by adapting that habit.