Valmiki Ramayana Ayodhya Kanda Sarga 12 Shloka 25
Original Shlokaरामो हि भरताद्भूयस्तव शुश्रूषते सदा। विशेषं त्वयि तस्मात्तु भरतस्य न लक्षये।।2.12.25।।
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रामः Rama, भरतात् more than Bharata, भूयः still more, सदा always, तव to you, शुश्रूषते is doing service, तस्मात्तु for that reason also, त्वयि in you, भरतस्य Bharata's, विशेषम् speciality, न लक्षये I do not see.
Rama is doing greater service to you than Bharata. Therefore, I do not find any reason for you to have a special love for Bharata.