More then likely it will end when she finds someone else. You are going to always have regrets that you didn’t take the safety net away.
That is entirely possible. Or I could take the safety net away and she could still find someone else in which case I would always regret not just listening to what she's telling me she wants. There's no telling the future. For now I am trying to provide her with what she is explicitly requesting from me with the full knowledge I will likely get hurt in the end and along the way. But I'll have a clear conscience