He had woken up with a song on his lips. Liam poured himself a glass of orange juice, the bright citrus scent filling the kitchen. Sunlight streamed through the curtains, painting the room in warm hues. He felt like a balloon, ready to float away.

The letter, from his ex-wife, Sarah, arrived yesterday. He’d never thought he would hear from her again. A lifetime had passed since their divorce. The apology, though overdue, was a powerful force. It had untangled the knots of regret and resentment.

He decided to go for a run, lacing up his sneakers with vigor. As he pounded the pavement, a lightness filled his chest. The fresh air hit his face. He felt like he was running on air.

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
γγ‚Œγ§γ‚‚-0.387
L-0.379