Based on the given criteria and the content of the story, here are the evaluations for the Tragedy Degree and Comedy Degree:

**Tragedy Degree:**
- The story does contain some tragic elements such as Alex’s loss of his mother and his initial emotional distress. However, these moments are part of a broader narrative of healing and overcoming challenges, rather than profound tragedy. Thus, the emotional setbacks are moderate in impact.

**Comedy Degree:**
- The story is heartwarming and contains optimistic and delightful elements. It has a relatively happy and uplifting resolution, with Alex finding a new purpose and forming meaningful connections. However, it is not extensively comedic or filled with humorous moments.

Taking the overall narrative into account:

```json
{
  "TragedyDegree": 5,
  "ComedyDegree": 6
}
```
