What unhappy decisions have you made? Why didn't you tell me?

I folded the quilt last night and got ready for bed. Who knows, I was asked out by my roommate to attend a classmate's party. I thought I was eating hot pot or something, but I was dragged to KTV for one night. After I came back, it was already past six in the morning. The three roommates continued to take advantage of one of them as the deputy company commander, abusing power for personal gain and pretending to be ill in the dormitory. Also told me that when you go to training, help us put the military training assessment on our braces. I'm unhappy, really unhappy. Yesterday's unsuccessful rejection led to today's sadness. I can't figure out why