1. Keep on listening and reading about spirituality. 2. Watch programs related to spirituality. 3. Participate in spiritual events. 4. Visit spiritual places. 5. Spend more and more time with spiritually oriented people.
Narada-bhakti-sutra.9 talks about udaseenata which is indifference or lack of concern towards worldly objects including property, friends, and relatives. Udaseenata strengthens bhakti.