Paid bloggers and pending tasks ...

I got two pending writing tasks that i could not write right now.  My mind doesn't seem to work.  Paid bloggers like me usually keep on searching for tasks to write but once they are all there, they find ghosts writers who can help them write.  In my case, it is impossible for me to write when my brain does not cooperate.  I have to be in the condition to write before i could write a post.  Even a 500 word-post would be so easy to write when i am in my writing mood otherwise, it would be so hard for me to write even a 50-word post.