Valmiki Ramayana Ayodhya Kanda Sarga 88 Shloka 20
Original Shlokaधन्यः खलु महाभागो लक्ष्मण श्शुभलक्षणः। भ्रातरं विषमे काले यो राममनुवर्तते।।2.88.20।।
1 source checked for this shloka
यः that, विषमे in adverse, काले times, भ्रातरम् brother, रामम् Rama, अनुवर्तते is accompanying, शुभलक्षणः a man of auspicious virtues, महाभागः a great man, लक्ष्मणः Lakshmana, धन्यः खलु is indeed fortunate.
Surely Lakshmana of great merit and auspicious virtues is fortunate since he is accompanying his brother Rama in times of adversity.