Reasons for poor mental state: I didn't sleep well, fell in love, worried about tuition, or got sick. It may be due to physical reasons, psychological reasons or other extra stimuli, or it may be that the teacher's teaching methods and teaching content failed to attract you.

Suggestion: 1. Work and rest, get enough sleep. Don't fall in love. I'll try to raise tuition in my spare time. If you are ill, rest for a day or two before going to class.

2. An economical prescription is to go to the drugstore to buy cool oil (solid) 1 yuan, and then put some on the eyelids and temples, which will have a spicy feeling and a good refreshing effect. Moreover, 1 can be used for 1 month, which is much better than coffee and honey, and has no side effects.

Senior two is very important. I don't know whether you study literature or science. Science is very difficult now, but you should cheer yourself up, study hard in senior two, communicate with teachers and classmates more, and don't put too much pressure on yourself. Believe in yourself! Then we must study hard!