dropping the "L" word. !!!!!!HELP!!!!!!

So me and my boyfriend have been together for a little over 7 months now and I know that I love him, and I'm sure he feels the same way, but we haven't dropped the "L" word yet. I've been wanting to just come out and tell him I love him for a while now but I don't know how he will react or if he'll even say it back. He's such an emotionally tough person and getting him to express his feelings is like pulling teeth, so I'm kind of afraid to tell him I love him. I've thought about how and when I would come out and tell him, but I'm not sure if I should do it. Does anyone have any advice on what I should do?