No, it's not cucumber. It’s broccoli stalks.
Do you feel like you can't take a vacation? Do you worry that if you have a day off, the office will fall apart? Perhaps you'll look like you don't care enough about your job? Nobody knows the client like you do, no-one knows your project like you do. In fact it's harder work to take a day off than it is to just go to work every single day of the year.