Everyone makes their own decisions.
Then you shouldn't be gay. But your beliefs on the matter don't dictate the civil rights of others.
Good, we're on the same page.
No one is asking for your approval.
Imagine being a gay person and how "uncomfortable" you'd have felt most of your life.
There are many ways to be uncomfortable. My parents had gay friends and absolutely adored them. I have gay friends and we keep a respectful silence on personal matters.