Kavod Harav, I have a few pieces of mail which I would like to sort out but not necessary needed to be done before the end of chag. Is it a problem of borer on chol hamoed?

A – If its not needed don’t do it
Q – Regarding sorting the mail, if i would be more relaxed if I sort them & have it off my mind even though it’s not time sensitive, could that be considered needed?
A – If it really would make a difference you can