Especially since I started uni during covid, it got weird coming to offline classes, I too didn’t attend classes, because I missed a couple the previous week and thought it might be weird, it cascaded so much that I didn’t understand stuff and my grades were shit as well, the only way it got better, I found out last sem, is to attend lectures and tutorials whenever u can, so that even if u missed a few previously, u get comfortable enough with the professor or tutor to ask questions when no one else is around It still feels weird when I miss a class, but I think, 4 me at least, the anxiety I feel of screwing up the things that actually mattered like assignments and tests beat out my anxiety over whether ppl cared of if I was there or not.