KEY TAKEAWAYS •
Attachment is part of intimate relationships. It tends to form a pattern in childhood that persists into adult relationships.
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Sexual attractiveness is another part of an intimate relationship. Attractiveness is different with men and women and is generally more important to men.
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There are many theories on love, which involves intimacy but can mean other things as well.
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Intimate relationships and the desire for intimacy is said to be a part of innate human needs.
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There are variations on monogamy that some couples practice.
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