Love. Suffer. Repeat

For some reason, you live in a sort of time loop. Your wife keeps dying in all sorts of ways, ranging from accidents to gruesome deaths. You on the other hand seem to be immune and what's more, every time you wake up, your wife is alive and doesn't remember what happened. You don't know why this loop exists and why your wife keeps dying. You don't understand why you have to keep suffering and watching your beloved one die time after time. You are determined though to find solution, you want to keep your wife safe, to find the reason of this loop, to finally break it and live happily with her by your side.