I can feel your hurt and heartache by your words and sincerely hope these feeling pass really quickly for you .... and they will I am sure.
I would guess that about 90% of the people who post in the ttc forums feel this way and if you look at the hundreds of sites there are, it should give you comfort to know that you are not alone. (I'm with you for a start).
My Mum used to say "it's a long road that has no turning" and she was right. You are on a road to try to conceive and each day gets closer. The trick is in trying to relax and enjoy some of the 'trying'. There's lots of good stuff to focus on for example:
your partner
your physical and emotional relationship together
your functioning body (otherwise you wouldn't even be able to try)
the fact that you want to be a Mum (not everyone does)
the fact that your partner wants to be a Dad (as above)
the fact that you will be a great Mum
and of course, last but not least ....
piddling on a stick!
By the time we have all finished, we should have earned the right to get a BSc (Hons) degree in Fertility and Patience Management.
Now that's got to make you smile.
Hang on in there little cyber buddy, it's not over yet. And besides who would we share 'manic moments' with?