That happened to me too and I just mentioned it all in my next confession. Anything that’s still on your mind can be Carried over to your next confession. You’re still absolved! Try and remember that the whole point is meeting God at the point of salvation. He just wants you sorry about things, keep meeting him and checking in. I actually believe that’s why he made Sunday a day of obligation or he knows many of us would rather do something else. Thank you God that you are so patient and understanding to those of us who are weak