The lack of options available to some animals gives them no choice but to take what they can get.
- Constrained mate choice in social monogamy means that many individuals wind up with unattractive partners.
- “Unattractiveness” is likely tied to genetic compatibility, which can include behavior factors.
- Females paired with unattractive males have increased stress hormone levels, which may drive cheating and breakups.
Full story at Discovery News.
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