Men can impregnate indefinitely many women. As long as we have communities in which an individual mother isn't totally dependent on the father during critical y

Men can impregnate indefinitely many women. As long as we have communities in which an individual mother isn't totally dependent on the father during critical years, there doesn't seem much need for competition here. That's a result of monogamy and nuclear families that probably wasn't the norm when humans were evolving these behaviors hundreds of thousands of years ago.