Should teachers tell the truth or play along with other people’s lies?

So, I missed a class last week because I was feeling so bad mentally that I couldn't manage it. I have to apologize for the Friday before on Friday. I don't know yet whether I should tell my teacher the truth about my absence or just leave the migraine as an excuse. You can't tell…

I don't have the energy to study…why is that and what can I do to finish on time?

Hello, By the way, I'm a fifth-semester student. I have two exams tomorrow, and I have an oral exam on Wednesday. I actually feel well prepared for my exams tomorrow and will go over the essentials again in a relaxed manner. Studying for my oral exam, on the other hand, isn't going well at all…🥲…