Edit the following sentence to make it more concise: "He had a really bad headache, it was very intense."
He had a really bad headache, it was very intense.
He had an intense headache.
Complete the following task based on the instruction and optional input provided.### Instruction:
Edit the following sentence to make it more concise: "He had a really bad headache, it was very intense."

### Input:
He had a really bad headache, it was very intense.

### Output:
He had an intense headache.