genetics isn't that simple. You share genes with people who do have children, and so genes which cause you to somehow benefit others, or even just yourself, are

genetics isn't that simple. You share genes with people who do have children, and so genes which cause you to somehow benefit others, or even just yourself, are still selected over ones that don't, even if you don't have kids ypurself. Not that I see how a head trip while dying can be any part of this process, just saying that "pass on your genes" is not all there is to genes.