saying I love you

So I've been with my boyfriend over a month, I know it seems like a short amount of time but we've been talking for 6 months as well. He was out of town a lot with work so it took awhile to become "official". We talk about the future a lot and both want each other around forever but we still haven't said I love you. And I know I love him. I don't want to rush anything at all I just feel like I need to vent a little, it's starts to frustrate me sometimes, I want to say it so bad, but I'm nervous that if he hasn't said it yet he doesn't feel the same way.