Throwing knowledge

Christmas 2009, parents' house. (I don't say home because I don't consider the place, the small town, the mindset my home.. anymore or never have, I'm not sure.) My mother is urging me again to throw away the big folders that I've left behind when I moved back in on the way from L. to F.

"You will never look at them again."
"I will, I need them."
"If you needed them, you would take them with you. Of what use can they be here?"

I can't take them with me and don't want to. Maybe I wouldn't even miss them if they got lost, along with the other stuff with which I'm cluttering their house. But I can't get myself to throw away these folders.. all the knowledge I have gathered in the first five or the second two years at university, witnesses of a great time I had, learning, meeting people, partying, laughing, singing, screaming and crying.

You can't throw away that knowledge, can you?!