Anyone else?

Ever since we got married my husband has been on a spending rampage. He's been wanting to buy things that we don't necessarily need. Right now he's in school on only work 2-3 days a week so I'm the primary income. It's frustrating because he doesn't listen to my concerns and thinks that I'm over reacting. We haven't had a huge fight about it but it leads to small little bickers and I have no idea what else to do.