Same reason why adult luna moths literally don't have mouths and have to mate asap after becoming adults before they die of starvation.
Nature is not optimized. Humans are not optimized. Even at 100% peak health we are not optimized. For example, homo sapiens reproduction should be considered the laughing stock of the animal kingdom.
Nature is not optimized. Humans are not optimized. Even at 100% peak health we are not optimized. For example, homo sapiens reproduction should be considered the laughing stock of the animal kingdom.