Vaishnava Samhita. Chaturbhujadasa Charitam. Vol III Book VII Chp 12 Shlokas 18 - 19

यथा शौचति सा देवी राधा प्रोषितभर्तृका |

तथा चतुर्भुजश्चायं परमं दुःखमाप ह ||

शय्योत्सवे प्रवृत्ते तु श्रीनाथो भक्तवत्सलः |

जवोचद्विद्ठलेशं तं प्रेमवात्सल्यकातरः ||

Chatrubhujadasa was as distressed as Radha Devi was when Shri Krishna left for Mathura. In the meanwhile, during the Shayanotsava one night, Shrinatha, the lover of the bhaktas, addressed Shri Vitthalanatatha in the following manner as He was induced by HIs affection for His great bhakta.