Really? Don't be so hard on yourself.
250 words is very short, not even short story standard, it's more the length of a joke or anecdote.
70,0000 words is very short for a novel, but it's a lot to put out in a month.
I couldn't do it, I take way too long.
I've currently got Stephen King's problem, endings. I've got to write the last scene for my panto parody.
I do what I always do spend ages thinking about it only to knock it off in half an hour. I tend to work in short bursts with agonising waits in between.