From the moment he woke, David felt lighter, brighter, like the world had been painted in bolder colors. He whistled while he showered, the sound echoing in the small bathroom. The thought of potentially working with his best friend, Mark, made the prospect of the graphic design job even more appealing.

He dressed with extra care, selecting a crisp shirt and tie, admiring his reflection with a satisfied nod. The interview was approaching, and his energy was overflowing. He packed a bag, ready for anything.

The interview was electric. He and Mark made eye contact, each giving a subtle nod. He found himself smiling at the interviewers' questions and felt pleased when he was explaining his portfolio. Driving home, he couldn’t stop himself from smiling at every single thing.

Emotion: happy

Cluster: Positive / Joy
PC1 (Valence): 3.98 Positive
PC2 (Disposition): -1.14

Role in Research

This story is one of 1,000 stories generated for the emotion happy. During extraction, it was fed through Gemma4-31B and its hidden state activations were captured at 11 layers.

The mean activation across all 1,000 happy stories, after denoising with neutral dialogue baselines, produces the happy emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the happy vector is projected through the unembedding matrix.

Promoted:
la0.676
excitedly0.533
enthusi0.505
de0.498
🤩0.495
Suppressed:
S-0.896
😞-0.430
ness-0.410
それでも-0.387
L-0.379