The owner , Giuseppe , had told us that he 'll sometimes make this for dinner at home , served over spaghetti . Since Monday evenings are slow in the restaurant , we felt okay asking the waiter to see if the chef would be willing to make such a dish for us . He was , and did , and it was absolutely divine .
Question: why are monday evenings slow for the restaurant ?
The answer to the above question:


most people are working on monday evenings with busy schedules