Let's keep this simple, shall we? The temple is a sacred place where sacred ordinances are performed. Marriage for eternity is one such thing. To gain entrance to a sacred and holy place, one must be worthy. The marriage celebration can easily be shared with loved ones in the form of a reception. Don't get your feelings hurt because your daughter believes in certain truths that has given her the blessing of an eternal companion. If you care to share in her joy for these blessed abilities, I encourage you to learn more. Otherwise, you are only condemning your daughter and her beliefs.
TITHING-- If tithing is the only thing that is keeping you from the Celestial kingdom, Then sir, you are not very far from the top of the mountain However, I am assuming, and maybe wrongfully so, that you are not a member. To take issue with a commandment that is thousands of years old is the least of your worries. Let me just state that before you scorn, it might be adventitious for you to do some serious study of scripture on your own, and kneel down in prayer to ask if Heaven really has a toll attached to it. The mere concept of Tithing is to show the Lord that you recognize His hand in all things to your temporal survival, and giving him a portion back of what he has given you. Abel did it. Although, it did cause a bit of sibling strife. Now that is indeed a heavy price to pay.