63.

The tiktok: https://www.tiktok.com/t/ZTFenVMf1/

Icing your vagus nerve: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10573386/

 https://www.theskimm.com/wellness/vagus-nerve-stimulation-anxiety

https://psychcentral.com/anxiety/vagus-nerve-cooling-anxiety

Completing the cycle: https://hr.uky.edu/news/2020-11-17/completing-our-bodys-stress-response-cycle

https://teachingcommons.stanford.edu/news/stress-cycles-what-they-are-and-how-manage-them