It might be best that you two part ways then. From my knowledge and experience, relationships or even friendships with people who don't have anything in common never work out in the long run. Breaking up now might save both of you a lot of heartache later down the road.

The earlier the breakup the less painful it generally is. Would it not be better to break up 1 year into a relationship rather than 10? There is much less emotional investment involved which makes the transition that much easier. I'm not saying it won't be painful but it will certainly be less painful.

Finally, if you care about him, perhaps you could still attempt to be his friend at least until he finds another girlfriend or at least gets over the breakup if he isn't the type of person to go crazy and become a threat to you that is. If you don't choose to do this, then consider that you'll be saving him great pain later down the road.

It isn't easy for most to make these kinds of decisions so you have my support if it's needed. Hang in there