I keep forgetting to refill the cotton swab holder, so there's never one when you need it.

What does I keep forgetting to refill the cotton swab holder, so there's never one when you need it. mean?

I keep forgetting to refill the cotton swab holder, so there's never one when you need it.

I keep forgetting to refill the cotton swab holder, so there's never one when you need it. in other languages