Valmiki Ramayana Kishkindha Kanda Sarga 1 Shloka 34
Original Shlokaअदृश्यमाना वैदेही शोकं वर्धयते मम। दृश्यमानो वसन्तश्च स्वेदसंसर्गदूषकः।।4.1.34।।
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अदृश्यमाना not seen by me, वैदेही Vaidehi, मम my, शोकम् grief, वर्धयति will intensify, स्वेदसंसर्गदूषकः takes away the sweat generated by physical union, दृश्यमानः seeing, वसन्तश्च of spring season.
'When in place of Vaidehi I see spring (with its cool breeze) that used to take away the sweat generated by sensual enjoyment, my sorrow is intensified.