When I google this question in Japanese, someone has answered like the following. "few" means just a little and "few days" is often used in a negative sentence. eg)" I could only spend few days with her. " Which means this person couldn't spend much time with her.
On the other hand if you say, " I could spend a few days with her." means this person could spend 2~3 days with her and it sounds more positive than the first sentence.
Is it true?
Some people just say that "few days" is not correct and we should always use "a few days"even for a negative meaning.
I'm getting confused.
Could someone help me with this?