Throughout the Srimad-Bhagavatam, Srila Prabhupada emphasizes again and again the importance of retiring from family life around the age of fifty. He clearly gives this deadline – again and again.
In the purport to SB. 3.30.14. Srila Prabhupada explains: “Family attraction is so strong that even if one is neglected by family members in his old age, he cannot give up family affection, and he remains at home just like a dog. In the Vedic way of life one has to give up family life when he is strong