Generally, these males do not give their mates so much absolute fidelity as devotion
One exaggerated female secondary sex characteristic is large breasts.
Accordingly he says more manifestly:
What can increase HIV risk?
There have been, too, who preferred to die for their husbands rather than marry after their husbands' death.
It's too grim.
These alone are generally enough to give rise to at least mild sexual fantasization.
The presumption goes that human mothers need long-term, dependable partnership to help them carry big-brained, dependent children across the hazardous, exhausting stretch from embryo to maturity.
While "good" men who have bonded to their wives can love old young gay sex free and continue to find them arousing until senescence — and "age-ism" can, indeed, be ameliorated by good upbringing and consciousness-raising — it is nevertheless almost certainly wired-in for the outward emblems of fecundity — youth and health — to be arousing to men.
This person currently identifies as
Reproductive advantage apparently goes to the male who produces enough to overwhelm his rivals' contributions.
Non-natal not having been born to one or both of the breeding individuals within a group; an immigrant from a neighboring group.