He's a dog. One day his animal instincts are going to take over and he'll show you just how sharp his teeth can be when they're flashing in your direction.
Your mother knew that. She respected that.
Yet here you are. Holding hands with a monster. If you're going to die (which you are), you should at least try to fall into your grave with a little dignity. Ditch the wolf. Do what mommy would have wanted you to do.