It doesn't make any sense at all.
There are a lot of Christians who would disagree with you on both points.
Again, you completely misunderstand our doctrines. I find it hard to believe you were a member of the church, especially if you don't the difference between a married couple, man and woman and a married couple man and man or woman and woman, where it relates to our doctrines.
Not a problem. You don't have to. It's not a requirement for salvation or exaltation.
That's the most ridiculous argument I've ever heard. I have to wonder, based on that logic, why women don't always have twins?