User blog comment:Kouryuu524/ATTENTION EVERYONE: IMPORTANT!! LOST POST RECOVERY!!/@comment-26104528-20160504031742

In my experience, posts are more likely to get devoured if the box is open for too long (+3 hours is my guess).

Also, here's a great habit to start. Always, always, ALWAYS!!! Crtl+C a post before you hit the post button. Anything happens, just refresh and Ctrl+V it back in.