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Hugs are a gesture of acceptance, not necessarily love. When people hug each other they are expressing a show of friendliness and appreciation. If you want to know if she loves you - you should ask her. It will give her the opportunity to verbally say she does or doesn't.
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There could be many reasons. My guess is to possibly protect the citizens from things that are advanced or complicated. In time many things are eventually filtered to the public. If you keep your eyes and ears open you can decipher what is going on behind those "secrets"...
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Try looking online. There are many online databases that have information regarding address, phone numbers, employment, religious affiliation...etc...if you have some basic information visit a few sites with public records information you could access.