The phone rang, and Leo practically leaped across the room to answer it. It was his sister, calling to congratulate him. He felt lightheaded. She hadn’t been calling to congratulate him about anything specific, but she was always the first to know the details of his private life.

He knew what his girlfriend, Chloe, had been hiding from him. He found a draft of her novel, a first edition. A chapter, a sentence, and then another. It was about him, about their relationship, about all that they had been and could be.

He felt like singing, like dancing. He sat and stared out the window, watching the world go by. His muscles seemed to have loosened. Then, there was a knock at the door, and he almost fell over himself rushing to open it.

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