2nd Time = Better?

I'm sure a lot of us are eating leftovers from Thanksgiving. Most of us on Thanksgiving day eat separate piles: one of meat, one of potatoes, one of stuffing, etc. But leftovers tend to either be in sandwich form or, for us, everything is all mixed together:

This mixture of stuff is always really, really good. I wonder why we don't eat this way on the actual day. Is it wrong?