Edit this sentence to maintain the same meaning while using different words.
He felt a deep sorrow that he had to go away.
He experienced profound sadness upon the necessity of departure.
Complete the following task based on the instruction and optional input provided.### Instruction:
Edit this sentence to maintain the same meaning while using different words.

### Input:
He felt a deep sorrow that he had to go away.

### Output:
He experienced profound sadness upon the necessity of departure.