I've been working in IT with my current employer for a few months. I adore almost everything about my job and can't complain much, however I noticed how everyone else is miserable all the time.
My partner works nearby and we have lunch together, because of the winter weather we decided to stop having lunch together until it's nice to be outside again. Since then I've been doing my lunch in the office Break room always alone, nobody else uses the room except for heating their food and going back to the desk.
I was working on someone's computer and I asked when do they take lunch so I can continue without interrupting their work and they answered “I never take lunch, I eat on my desk”. I heard the same from other people and I've seen others go out to buy food and then eat while looking at a monitor and typing on their keyboard.
The Break room was going through renovations so I started to eat at my desk and I noticed how I was overworking, tired and the day just felt unbearably long. So I said, screw it! And just went for a walk or something after lunch.
People! Take your breakfast, lunch and any Break you are legally entitled to! Work will always be there so don't strain yourself.