If it's difficult, why not go to Dubai, get married and then move over here after?

I know it is easy to get married in Dubai, and after getting your residence here (within two to three weeks), you can apply for a visit visa for her or for a resident visa (takes longer) and bring her over as your wife...

I am saying this, because I don't know how you are getting to get her to come to Qatar without any kind of Visa at all.

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When dealing with others: Never judge a person from his first act
When dealing with myself: You don't get a second chance to make a first impression.