Relationship advice

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Okay im a 20 year old virgin and ive been talking to this guy and he does make me so happy but theres a problem since im the baby in the family they are very protective so they did a background check and he had a bad past but hes gotten expunged way before we met because he wanted to be a security officer and he made thay come true my family doesnt believe he had the expungement done but i saw the papers i dont know what to do any advice?