Though sims are naturally social creatures, there are a select few that value intelligence over friendship. These sims tend to struggle to keep and maintain friendships, and are almost impossible to fall in love with.
Whims- Geek, Loner, and Genius
Base Emotion- None
Blocked Emotions- Flirty
Skills Increase- Mental (20% faster), Social (30% slower)
Needs Increase- Normal
Needs Decrease- Social (20% slower), Fun (10% slower)
Relationships Increase- 10% Slower
Relationships Decrease- Normal