You don't have to copulate in order to express "your ability to reproduce". Keep in mind that your family also has your genes so if you just provide resources f

You don't have to copulate in order to express "your ability to reproduce". Keep in mind that your family also has your genes so if you just provide resources for them to reproduce, a part of you reproduces as well. This could be a mechanism to combat fear of death, which perhaps was making people less likely to have sex?