Vaishnava Samhita. Premanidhi Charitam. Vol III Book VI Chp 19 Shloka 5

तेषां नित्याभियुक्तानां भक्तियोगस्य साधकः |
योगक्षेमं वहत्येव भक्तानाममलात्मनाम्  ||

Shri Bhagavan is the escort of those who tread the path of bhakti. Hence He looks after the welfare of those prema bhaktas who are always engaged in meditation on Shri Bhagavan.