Why do girls love, are attracted to well-rounded guys? what does well-rounded prove and show to girls?

Why is being well-rounded attractive to girls? Like when a guy has a wide long range of interests, abilities, talents, skills, etc., seriously, most of us guys are simple, a girl just has to be somewhat decently physically attractive and we already like her, everything else is secondary about her
Why do girls love, are attracted to well-rounded guys? what does well-rounded prove and show to girls?
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