Can i have some relationship help?

i have been going out with this girl its been about 9 months going to be 10 months and well like since this month we have been argueing like non stop and im getting sick of it i want it to be like we ust to be happy all the time we spent time togther no argueing always laughing and just having a good time now she finds somthing to start arguing about and somtimes i start arguements anyways. i dont know what to do i told her right now we argue way to much and she said i know in the ruddest way. what do i do.