
The Sales Evangelist Building Resilience In a Tough Sales World | Mark Divine - 2014
Jun 26, 2026
Mark Divine, former U.S. Navy SEAL and founder of Unbeatable Mind, blends elite performance and leadership coaching. He talks about why resilience matters in sales. He outlines body-first habits: eat, sleep, move, then breathe. He teaches box breathing and daily breath routines. He covers attention training, witnessing thoughts, adaptability with the OODA loop, and a 20/20 daily resilience routine.
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Start Daily Box Breathing
- Do start a daily nostril box breathing practice to reset stress and improve focus.
- Mark Divine prescribes 5s inhale, 5s hold, 5s exhale, 5s hold (20s cycle) done 20 minutes each morning to activate parasympathetic calm.
Breathing Changes Your Nervous System
- Box breathing massages the vagus nerve and shifts you from chronic sympathetic arousal into parasympathetic rest-and-digest.
- Doing three breaths per minute (20s cycles) counters the common 16–20 breaths/min mouth breathing pattern that sustains stress.
Make Box Breathing Your Morning Ritual
- Do the practice first thing: hydrate, then sit and do 20 minutes of box breathing as your meditation routine.
- Start with 4s counts if needed and build to 5s; repeat rounds instead of rigid timing if helpful.

