You know what? That's a reasonable response from him! They don't have to cut communications, can continue being friends, but will postpone dating for when they're ready to commit to a proper relationship! I'm fine with this ending!
This was a cute manga, I'm glad it lasted as long as it did. But yeah, I don't think there's much more of a story to be told here if they're not going out right now. It ended when it had to.