You say you're "not a Facebook person," which I take to mean you don't much care about what you get out of Facebook on a personal level. I get that. But how you use tools, such as Facebook, a blog, a web site, or printed promotional materials, is a business decision you'll make based on your goals for expanding your business. It is less a matter of personality than of using the right tools for the right purposes, and if you lack the skill to use them, of learning how to use them well.
5. I find the photography bloggers out there are constantly in touch by facebook groups and their blog site, would I be missing out alot if I don't jump in the blog thing?
Your question demonstrates that you understand the potential value of Facebook and blogs. So, you already know the answer is yes. I sense that you are aware that you face two challenges: 1) you don't think you enjoy this form of marketing, and 2) you don't quite know how to make it work for you.
I say you "don't think you enjoy it" because you seem never to have tried it. Sometimes something you think you'll hate doing becomes quite rewarding when you enjoy positive results.
And I think you don't quite know how to make it work for you because you describe Facebook as a place where people post things like "I'm sleepy, going here, doing that...." Which, for some (mostly boring, annoying people), it is. But not for you. As a business owner, you know that the primary purpose of any marketing activity is to communicate your value proposition to potential clients. To help them see how they would benefit from using your services.
Posting "I'm sleepy" and other drivel not only fails to communicate any value proposition, it strongly implies that the poster has no value to offer, is a boring person, and is too lazy even to come up with something more creative than "I'm going to the store now!!!!! Dang!!! My exclamation mark is stuck!!!!"
You also face another challenge you might not have considered. If you read over your original post, you'll see a dozen spelling and grammatical errors, several of which make your post very difficult to understand. Perhaps English is not your first language, but will you post in English? Hindi? If you're posting in English, you should take care not to create the impression that you are poorly educated or, worse, sloppy. (Well, you should do this in any language, but perhaps English is a weak point for you -- I don't know.) I would take what William said a step further: poor blogging is not just hardly worth doing, it is far worse than no blogging.
The question behind your question is something like, "Aww, do I have to do that stuff?" In other words, you're not asking whether Facebook and blogging are "necessary" from a merely technical view. These are modes of self-promotion that appear to be quite successful from what I've read of others' experiences in these forums. Are they "necessary?" If WW finds this thread, I think he will tell you instead to print some business cards with a blank backside, carry 50, get a nice pen, and jab people in the neck with it if they don't take your card. Or maybe I've distorted his customary advice. Anyway, no, they're not "necessary," but some form of effective self-promotion is, and these are useful tools.
You mention that you've been "getting serious about wedding photography for three years." To me, this means you really don't enjoy the business of this business. Consider whether you really want to have a business, or just to take pictures. If you don't want to do what it takes to have a business, which includes a lot of hard work promoting yourself and bringing in clients, and communicating with them regularly in a way that is valuable to them, then just offer to shoot at weddings of friends and family and quit burdening yourself with a false vision of a successful business. Because that is a burden if you are never going to follow through -- it just creates a psychology of failure.
I would argue that there's no such thing as "getting serious about wedding photography" for three years.
If you are serious, then do the things necessary to make a business succeed. And--hear this in a gentle voice, not a mean one--stop asking for permission from yourself and others not to do those things.