An object holds whatever has happened around it. The old jersey has every game in it, including the one you lost badly, and the new one has nothing yet because nothing has been done in it. That is not nostalgia, it is how meaning accumulates, slowly and by use. It also explains why an upgrade can feel oddly flat for the first month.

Before you replace something worn out, ask whether you are replacing an object or a record. Keep the record. And when you do get the new thing, give it a year of use before you decide how you feel about it.