Not being attacked by grizzly bears, or trampled by a moose, or falling into a frozen lake, or falling off a cliff, or losing too many dogs, or not winning, or getting fatally injured or so on and so forth.
Sperm face obstacles such as acidic vaginal pH, barriers within the female reproductive tract, and competition from other sperm. Additionally, a sperm must navigate through various cervical mucus types and physical obstacles to reach the egg for fertilization.
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fights
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big balls
she has had to face starvation
They had to face the popes and the wealthy people of italy
They had to face the popes and the wealthy people of italy
he faced the number of kids he had
his learning disability