To answer the question on the last page: They most definitely do exist. And they are more common than you realize. The problem is, they sure as hell won't approach you first, nor are they even going to be interested in you if you don't already have proper mentality and, more often than not, experience.
Plus, it still doesn't mean that she won't sue you the week after, so tread carefully.
"The ones who pee lifting up their legs like that are males dogs". I have a female dog and it's ackchyually more just what the dog prefers. The more you know!