Based on the provided story and the scoring criteria, here is the evaluation:

1. **Tragedy Degree:**
   - The story contained some emotional setbacks, primarily in the form of Lydia and Alex's relationship struggles and Lydia's personal challenges in balancing her orderly life with embracing spontaneity. However, there were no profound tragic elements with strong emotional impact.
   
2. **Comedy Degree:**
   - The story had a relatively light-hearted tone and ended on a positive, hopeful note with Lydia and Alex finding a harmony between their differing lifestyles. This gives the story some comedic aspects, but it's more light-hearted than explicitly comedic.

Given these evaluations, here are the scores in JSON format:

```json
{
  "TragedyDegree": 4,
  "ComedyDegree": 6
}
```
