My best friend

My best friend doesn't exist so all I can come up with is this film. It's funny but at times sad. Is it worth giving up a friendship, taking a risk of losing it and one doesn't love you? She decides to make him see that his new fiancé isn't the one he should get married to. George, by the way, makes a good friend as well and he shows how much he cares if she ends up single at a wedding table. Strange no one asks her to dance but can be like what is said during the dinner they all do believe she's gay and this isn't an invitation to ask her to dance or introduce her to a man (weird duo those twins..).
What's a best friend, and is it a bad thing she tries to break the couple? I think this attempt isn't because if their love is strong, there's no way the groom would respond jealous if George sings a love song (I don't find it embarrassing).

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