One of the most common signs is constantly questioning the whereabouts and activities of their partner, often out of fear of infidelity.
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Additionally, an overprotective partner may try to isolate their significant other from friends and family, making them solely dependent on them for emotional support.
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They may also have a habit of checking their partner's phone or social media accounts without their consent, invading their privacy.
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Another red flag could be the constant need for reassurance and validation from their partner, seeking constant attention and validation to boost their self-esteem.
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Lastly, an overprotective partner may exhibit controlling behaviour by making all decisions for their partner, disregarding their opinions and desires.