C) His positive outlook

Lamb's positive outlook draws Derry towards him. Despite facing grief and loss, Lamb maintains an optimistic and hopeful attitude towards life. This positive outlook acts as a source of inspiration and comfort for Derry, who is also dealing with his own grief and struggles.

1. Lamb's positive attitude:
Lamb consistently demonstrates a positive attitude and outlook on life. He is known for his resilience and ability to find joy in the smallest of things. This positivity is contagious and attracts Derry towards him.

2. Derry's grief:
Derry is also grappling with his own grief and struggles. He has experienced loss and is dealing with the emotional aftermath. In the midst of this, Lamb's positive outlook acts as a beacon of hope for Derry. It gives him a different perspective and shows him that there is still good in the world.

3. Inspiration and comfort:
Lamb's positive outlook inspires Derry to look beyond his own pain and find happiness in the present moment. He sees Lamb's ability to find joy and contentment despite the challenges he has faced, and it encourages Derry to do the same.

4. Counterbalance to grief:
Grief can be overwhelming and consuming, making it difficult to see any positivity or hope. Lamb's positive outlook serves as a counterbalance to Derry's grief, reminding him that there is still beauty and happiness to be found in life.

5. Emotional support:
Lamb's positivity also provides emotional support to Derry. Being around someone who radiates positivity can help uplift one's mood and provide comfort during difficult times. Derry finds solace in Lamb's presence and his optimistic perspective on life.

In conclusion, Lamb's positive outlook acts as a guiding light for Derry, drawing him towards the hope and happiness that he represents.