Actually, the attraction to same sex persons is not usually chosen, but imposed by abuse, or bad parenting or many other stimuli in the world.
What is a choice is whether you act on the attraction. If you choose to act,that is sin.
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It’s a choice. It originally was something chosen by men who didn’t want the responsibilities of family life and women who didn’t want to be wives. Later, it became a “lifestyle choice” people chose mainly after being recruited into it. Drugs and the hypnotic “house music” in gay clubs alter the mind. Eventually, the effects become permanent.