The context of the following conversation is After weeks of marathon work, Jan finally finished his project and decided to spend the afternoon relaxing.:
Jan says I finally finished my project today. I've been working on it 12 hour a day for 4 weeks..
The friend responds Wow I bet you're really spent..
Jan responds I am beyond spent. I finished at 10 a.m. I just came home and laid on the couch 3 hours doing nothing..
The friend responds By nothing do you mean watching TV?.
Jan responds By nothing I mean holding nothing looking at nothing  just letting my mind relax..
The friend responds Well I'm sure you really needed it..