If you have raised your children and you have taking care of your spouse and are now ready to retired, or you are a widow, or divorced, or single, the goal of life according varnashrama dharma is to focus on preparing yourself to leave your physical vessel and to prepare for your next incarnation. there is nothing shameful about feeling sexual desires, but those sexual desires should be directed towards serving the Lila of Rhada and Krsna not another sexual partner. The practice of celibacy and your spiritual practice will help you get ready to leave your body.
https://iskconeducationalservices.org/HoH/concepts/key-concepts/varnashrama-dharma/
https://www.thehindu.com/features/friday-review/religion/sanatana-dharma/article4712291.ece
