He bounced on the balls of his feet, whistling a jaunty tune as he folded the laundry. The scent of lavender from the dryer sheets was intoxicating. Inside his father's old satchel, unearthed from the storage unit, he’d discovered a crumpled piece of paper - a handwritten bucket list. Item one: "Finally build that treehouse."

Mark hadn't seen his father smile like that in years. He smiled. He'd already sketched out the plans, incorporating some of his dad’s more outlandish ideas. His heart did a little flip at the thought of finally tackling the project. He planned to start tomorrow.

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