[pbk1]

Look into the TIP[0] skill from dialectical behavior therapy. In particular I've found the cold water triggering a dive response[1] very effective at calming me down when I face acute anxiety.

[0] https://en.wikipedia.org/wiki/Dialectical_behavior_therapy#D... [1] https://www.bustle.com/p/what-is-mammalian-diving-response-t...