| on your heart | 6 | location |
| very | 4 | degree |
| on the adrenals | 4 | location |
| caffeine → be → hard | 14 |
| caffeine → be → difficult | 4 |
| caffeine → be → complicated | 3 |
| caffeine → be → tricky | 3 |
| negative | neutral | positive |
| 0.645 | 0.298 | 0.057 |
| Raw frequency | 24 |
| Normalized frequency | 0.346 |
| Modifier score | 0.500 |
| Perplexity | 120.223 |