Improve the following sentence by making necessary changes.
John and his spouse share a deep bond, being not only partners in life, but also the best of friends.
John and his wife are best friends.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Improve the following sentence by making necessary changes.

### Input:
John and his wife are best friends.

### Response:
John and his spouse share a deep bond, being not only partners in life, but also the best of friends.