What are some downsides of getting into a relationship with an attention whore?

You know the type of women that know they are hot and like to show off how sexy they are on social media and when going out to social events. In addition, often having many orbiters that secretly want her, enjoys teasing and using guys for attention/free service and get white knighted online all the time.
What are some downsides of getting into a relationship with an attention whore?
What are some downsides of getting into a relationship with a woman like that?
What are some downsides of getting into a relationship with an attention whore?
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