It's hard, but it'll be worth it if you resist your urge to call him...he's not very happy with you right now. You need to let him miss you and wonder why you AREN'T calling.
You're a great person, if he loses you he'll be losing the best thing that happened to him, remember that..you're not the one doing anything wrong.
Feelings come and go, you don't have to act on each of them, just feel them and let them pass on through you....
Missing him? Sorry to be so harsh, but you sound desparate to me and probably the way he's seeing you also.