Originally Posted by Rxpert83
One suggestion I would have for you is to type it all out, and then copy your response in case you get logged out. Then you can just log in and paste it and you're good to go.
I do this quite often if I'm drafting up a real long post. Good insurance.
Could also be resultant of work being done in the background who knows. I think there's been a lot of backend efforts lately to better the site and unfortunately sometimes that's accompanied with a few growing pains.