It really depends on my mood on which I prefer. I'd take a [glass] bottle of Coca Cola over Pepsi any day but for some reason when it comes to cans of soda, I prefer Pepsi. Idk, the flavor of Coke just seems diminished by being in a can whereas with Pepsi you pretty much go in with low expectations either way. xD
That used to happen to me a lotwhen I was younger. I mostly blame it on dreams I had as a child because I was able to remember all of my dreams. They basically just became memories of mine; heck even to this day I'm able to remember a lot of the dreams I had 10 years ago. Everyones mind is different though and each with unique experiences. You could be having real memories that you've forgotten or even just fragmented memories that your subconscious formed haphazardly from bits of lost memories but meaning only a few bits being true.