You do things because :
1. You have been doing it or planned earlier to do it.
2. Someone tells you to do it.
3. You see opportunities in future and you decide do this for achieving that goal.
Zombies live with first 2 drivers for all their lives.
Active life needs 3rd kind of attitude.
It might not be just ‘what’ but ‘when’ as well. Purposeful life needs core activities done because one wants/plans to do. Eventhough there would be still be many things that need to be done for external / past reasons.
In those cases atleast one should have control over ‘when’ and/or ‘how’ to do, if not ‘what’.