Is there something wrong with me?

I moved back home because I'm going to grad school but I going phucking crazy. My mom saves EVERYTHING, I mean EVERYTHING!!!!!!! And when I come home and see stuff all over the place I go crazy and completely lose it. My mom tells me: "Don't worry about it, just leave it there." But for some reason I just lose it. There's things piled all over the place and she just keeps BUYING AND BUYING things and they get all cluttered all over the kitchen, around the microwave, there are things ON TOP of the microwave, nothing else fits on top of the fridge. I'm drives me insane. Is there something wrong with me??? She's a great mom, has always given me unconditional love and has struggled to make sure I went to the best schools so why can't I just be OK with living like this. I know she doesn't do it on purpose or to annoy me but should I not be losing it by seeing this. I'm a guy and I know that guys shouldn't care about things like this but it completely bothers me. Seeing the house like that drives me nuts and I can't concentrate for studying and we literally get into arguments about this. Sometimes about other stuff and I believe it all stems from this. I can't take it. Please help. Is there honestly something wrong with me or should I learn to live with it. At least for the next couple years. Thank you.