Evidence is weak that interoceptive abilities help people cope with negative emotions.

Zamariola, G., Luminet, O., Mierop, A., & Corneille, O. (in press). Does it Help to Feel your Body? Evidence is Inconclusive that Interoceptive Accuracy and Sensibility Help Cope with Negative Experiences. Cognition & Emotion, https://doi.org/10.1080/02699931.2019.1591345