I have not worked hard during the week, I do not feel like working, I just push myself to work. To compensate the laziness during the week, I come to work on Sunday afternoon, but I am not in the mood of working.
I postopone my trip in the hope that I finish the draft of my articl before I go home. I have to push myself to work. Sometimes I think, I am not any more excited about physics. But if I do not work, I have nothing. No money, no position, no talnet to do something else and ... .