If you leave a good review you will get a discount on the menu which says a lot..
When I was there a big group of people stayed for weeks at mellow and kinda know each other and are not that interested in meeting new people. The place didn’t give me the typical hostel vibe. The owner is a foreigner but most of the staff are locals. The owner seems to have kinda a cold personality. You wouldn’t expect he is the owner of a hostel.
The toilet doesn’t have a window and it wasn’t cleaned daily in my case. It was nice though that I got an upgrade to a smaller room when I arrived.