श्रीमद्वाल्मीकिरामायणे अरण्यकाण्डे पञ्चादशस्सर्गः (२९ श्लोक)
Raama says “O Lakshmana! You are a dharmagnya, krutagnya. You even can understand my feelings and thought. As long as you are protecting Me, I will assume My father Dasharatha is not dead.”
This gem of a shloka not only illustrates the great service of Lakshmana, but also showcases the love ShriRaama had on His brother.