Emily Anhalt's Flex Your Feelings and the Emotionality Facet (O3)

A single dumbbell resting beside a small potted heart-shaped plant on a bench in soft gym light

Emily Anhalt's Flex Your Feelings treats emotional health the way a trainer treats the body: as something you build on purpose, not something you patch up once it breaks. A psychologist who co-founded a mental-fitness studio, Anhalt is impatient with the idea that you only deal with your emotions in a crisis. In an interview she draws the analogy: "I compare it more like going to the gym and less like going to the doctor." Emotional strength, in her framing, is a set of muscles you train. In the Big Five, the foundational one is a single facet.

The base muscle is the Emotionality facet

The facet is Emotionality (O3), under Openness, which measures how aware of and comfortable you are with your own inner life. A high scorer can feel a mood arrive and name it; a low scorer tends to run flatter and treats feelings as static to tune out. Anhalt's whole program starts here, because you cannot train what you cannot feel. She makes the point through empathy: "If you're not comfortable feeling your own sadness and anger, you're not really going to want to empathize with someone else's sadness and anger." Access to your own feelings is the O3 base that the rest of emotional intelligence gets built on.

The encouraging part for a low-O3 reader is that Anhalt does not treat this as fixed wiring. Comfort with feelings is a skill you can practice, and like any workout it is supposed to feel a little uncomfortable while you do it. That reframes a low O3 score as a starting point instead of a sentence. Someone who has spent years filing emotions as noise can learn to notice them, slowly, the way someone who never stretched can learn to touch their toes. The trait sets your starting flexibility; the practice moves it.

We map the feeling-into-others side in the empath through OCEAN, and break the base facet down in Emotionality (O3). If your O3 runs high, Flex Your Feelings is mostly permission to treat that sensitivity as an asset to train rather than a leak to plug. If it runs low, the useful news is that the whole thing is a gym membership, not a diagnosis: you start where you start, and the first rep is just noticing you were having a feeling at all.

Read the book: Flex Your Feelings: Train Your Brain to Develop the 7 Traits of Emotional Fitness by Emily Anhalt.

See Where You Fall

Where do you actually fall? The 30-facet OCEAN personality test takes about 15 minutes and scores all five domains and the facets underneath them. Take the test

Research Citations

Anhalt, E. (2025). Flex your feelings: Train your brain to develop the 7 traits of emotional fitness. G.P. Putnam's Sons.

Salovey, P., & Mayer, J. D. (1990). Emotional intelligence. Imagination, Cognition and Personality, 9(3), 185-211.

Johnson, J. A. (2014). Measuring thirty facets of the Five Factor Model with a 120-item public domain inventory: Development of the IPIP-NEO-120. Journal of Research in Personality, 51, 78-89.

Costa, P. T., & McCrae, R. R. (1992). Revised NEO Personality Inventory (NEO-PI-R) professional manual. Psychological Assessment Resources.