There could have been if you'd made different choices. Besides, Voldemort's plan was flawed from the beginning, even forgetting the violence and darkness of it all. It was innately flawed, in that society can't exist with simply one group remaining. Variation's needed for group survival, after all.
Anyway, you've still got a future, Bella. You're only seventeen, and it'd be stupid to give up on life now. You're much better off without him, trust me. I have seen the future.