The following link may be able to answer some of your questions. We believe we are all children of God, and as such, we should love and respect all of His children. https://mormonandgay.lds.org
The church won't allow LGBT to be baptized or receive other ordinances, but LGBT individuals can attend worship services and fellowship with members. The members in this congregation are very welcoming and loving in my experience. I think you would have a good experience and be able to feel the love of God if you attended worship services here.
Its a difficult question to answer but the short answer is we feel that god has made marriage between a man and a woman and we have revelation to back it
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