If there are infinite universes that split apart and branch out whenever each of us make a choice, then innumerable universes must exist where I am dead, by having given in to my inexplicable slight urge, when walking on the sidewalk, to jump in front of a car; when by a lighted kitchen stove, to mash my face into the fire; when on a bridge high up between two ledges, to help myself over to the opposite side of the railing and let go; when by a spinning blade, to insert a part of my body or one of my articles of clothing into the thing; or any of a number of other possible outcomes reaching insane proportions. Of course, since I have mentally developed in such a way that I can and choose to overpower these urges, none of these gruesome scenarios occur. This raises the question: Do these alternate universes even exist?
possibly not