Synonyms:
- Settled in for the long haul
- Counting down from a very large number
- Having nowhere better to be
- Committed to waiting it out
- Playing the very long game
- In no rush whatsoever
- Comfortable with the passage of time
- Not easily rattled by delay
- Possessing a geological sense of urgency
- Deeply familiar with waiting
- Making peace with slow progress
- Content to let time do its thing