Should i break up with him or not?

Okay so ive been dating this guy, lets call him... rick. okay soo me and rick have been dating for 9 months. i really do love him, but im not sure if im in love with him nemore. hes one of my best friends and i dont want him out of my life forever, but honestly im getting kind of sick of his constant txts, ims, and calls. PLEASE HELP! any advice would be sooo awesome!