Having a little dating problem?

I cannot figure out what to do. I met this guy in my class. He seems nice. And well we started dating, but its a secret (to some people). He seems to really like me ALOT. Like I feel hes obsessive in ways. I mean its been only a week since we started dating, and hes already saying I love you. I think that's just moving a little to fast for my liking. And yeah I am at fault too, because Ive been saying it as well to just return what he said. I know that's a bad sign already. And he just cries too much sometimes. But being someone with depression I need someone who is more stable than me, if that makes sense? But heres where the problem is. It basically is the secret. Hes a different race than me, and I have grown up in a house where my family doesn't believe that whites should be dating blacks, and visa verse. And I know that my family would totally be mad at me if they found out. So im stuck here trying to decide who I want to hurt, I guess the way you could say it. Do I hurt him or do I hurt my family. This has been on my mind all week. And I just don't understand what I am suppose to do. Any adivce would be very helpful!