Know the function of a fuse box and the appearance of a tripped circuit breaker.

I suspect that some apparently homosexual people are really heterosexuals who deeply phobic about the opposite sex or have other emotional problems.

Yes. The original argument is defective. Substitute the word 'male' for 'gay,' and you'll see the flaw: 'Male people cannot be normal. If everyone were male starting tomorrow, the human race would die out, so being male cannot be nature's intended way.' Or you could substitute the word 'female.' In either case, the argument makes no sense: Being male or female is perfectly normal.

Be able to cite three good qualities of every relative or acquaintance that you dislike.

Be able to identify the most common breeds of dogs and cats on sight.

If you never heard opportunity knock, maybe you're never at home.

What women want is what men want. They want respect.