Ramayana
तस्यां सक्तमनास्तात पञ्चवर्षशतान्यहम् । सा च दैवतकार्येण त्रयोदश समा गताः ॥ 7-12-7 ॥
"My mind being attached to her, my dear, I lived for five hundred years; and then she went away for thirteen years on some business of the gods."
english translation