For more on metaphor and emotion see here:
Bolognesi M., Bichisecchi, R. (2014). Metaphors in dreams: where cognitive linguistics meets psychoanalysis. Language and Psychoanalysis, 3(1), 4-22.
Citron, F. M., & Goldberg, A. E. (2014). Metaphorical sentences are more emotionally engaging than their literal counterparts. Journal of cognitive neuroscience, 26(11), 2585-2595.
Citron, F. M., Cacciari, C., Kucharski, M., Beck, L., Conrad, M., & Jacobs, A. M. (2016). When emotions are expressed figuratively: Psycholinguistic and Affective Norms of 619 Idioms for German (PANIG). Behavior research methods, 48(1), 91-111.
Ervas F., Gola E., Rossi M.(2015). Metaphors and Emotions as Framing Strategies in Argumentation. In G. Airenti, B. G. Bara, G. Sandini & M. Cruciani (eds.), EAPCogSci: CEURWS.org.
Hendricks, R. K., & Boroditsky, L. (2016). Emotional implications of metaphor: consequences of metaphor framing for mindset about hardship. In Proceedings of the 38th Annual Conference of the Cognitive Science Society (pp. 1164-1169).
Hendricks, R. K., Demjén, Z., Semino, E., & Boroditsky, L. (2018). Emotional implications of metaphor: Consequences of metaphor framing for mindset about cancer. Metaphor and Symbol, 33(4), 267-279.
Kousta, S. T., Vigliocco, G., Vinson, D. P., Andrews, M., & Del Campo, E. (2011). The representation of abstract words: why emotion matters. Journal of Experimental Psychology: General, 140(1), 14.
Kövecses, Z. (2003). Metaphor and emotion: Language, culture, and body in human feeling. Cambridge University Press.
Littlemore, J.; Pérez Sobrino, P.; Julich, N., & Leung, D. (accepted). Is comfort purple or green? Word-colour associations in the first and second language. In: A. Piquer-Piriz and R. Alejo (eds) Metaphor in foreign language instruction. Berlin/New York: Mouton de Gruyter.
Samur, D., Lai, V. T., Hagoort, P., & Willems, R. M. (2015). Emotional context modulates embodied metaphor comprehension. Neuropsychologia, 78, 108-114.