Relationship Formation: Evolution and Chemistry
From an evolutionary perspective, we don't choose partners randomly - natural selection influences who we find attractive. Males typically select females showing fertility, youth, and health signals, whilst females often choose males who can provide resources for potential offspring.
Parental Investment Theory explains why females tend to be choosier about partners. Since women invest more time and energy in pregnancy and childcare, they need partners who'll stick around and provide support.
Neurotransmitters also drive relationship formation. Dopamine creates that "natural high" feeling when we're attracted to someone, literally making relationships rewarding. Oxytocin promotes human bonding - physical contact increases oxytocin levels, strengthening emotional connections.
Fascinating Fact: Your brain chemistry actually changes when you're in love, making relationships feel genuinely addictive.