I clocked out at 12:30am last night and I felt “guilty” about it. Why?

I left the office at about 7:15pm today and I felt “guilty” about it. Why?

I worked about 70 hours this week and I’m planning to work Saturday and Sunday. Why?

If anything, the events of the week have made it clear to me that they don’t get it and I shouldn’t be working this hard. So… why?