Do santhyavandhanam without fail.
During leisure time you can listen to upanyasams or can learn/recite Stotra Patam or Prabandams.
Swami Desikan insisted to do Yoga daily as it is the best option to reduce stress.
Optionally one can do small services or contributions towards temples.
Can follow/do all possible rituals.
Notes:
If time permits, one can spend their time in a useful mode by particiapting in weekend upanyasams of GSPK. If unable to join live upanyasam, can listen to recorded upanyasams by subscribing to our below YouTube Channels:
https://www.youtube.com/c/GlobalStotraParayanaKainkaryamGSPK/playlists
https://www.youtube.com/c/SampradayaManjari/playlists
For more information about Stotra Patams/Prabandams Please join the below Telegram group:
https://t.me/gspkstotras