Whoa, Alice, calm down. You're right you've got yourself into a state and crying is good for you. Have a meltdown and then stop panicking. Its probably possible to ovulate this late in a cycle if your cycle is very long - like 40 days. I think if you ovulated at this stage and had a short second 'half' it may be no use to you anyway as the bean might struggle to stick.
You may have ovulated you may not. There's nothing you can do about that. You know the girls are always telling us that it only takes one BD at the right moment and woof, there's a BFP. But you also know it can take ages to get that bean. So take a deep breath, calm down and remind yourself that making a baby is something you do out of love - honest, simple, love between you and your OH. It shouldn't cause you to cry.
(the fact I balled my eyes out yesterday is irrelevant lol!!!) But it does mean like most of the girls here I know how it is to feel desperately sad, confused and even angered by the whole ttc at times. Hope you feel better soon
