The string quartet’s music drifted through the air, and she found herself swaying gently to the melody. She’d spent the last hour catching up with old friends, and laughter echoed around her. She felt like she was buzzing with energy, completely at ease.

Then he walked in. It was Mark, her ex. His presence was not a shock – they ran in the same circles, after all. But seeing him immediately lifted her spirits even further.

"Hey, Sarah!" Mark called out, his voice loud. He was beaming.

“Mark, you made it!” she exclaimed, her voice bubbling over with mirth. The wedding felt better already. They shared a long embrace and chatted for what felt like hours.

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