A private investigator revealed there was one "sneaky" sign a partner could be cheating - but "everyone seems to miss" it.

While guarding phones and 'working late' were classic signs, Cassie, who works for Venus Investigations, said there was one warning sign that was often overlooked.

She took to the @venusinvestigations TikTok account to let everyone know that a sudden passion for a new hobby could be "a sign that something else is going on".

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Cassie said: "This is the sneaky cheating sign that everyone seems to miss."

According to the Mirror , Cassie explained this could be a sudden passion for surfing or country music - something they've never shown interest in it before.

While she stressed people shouldn

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