Have you ever been absent minded enough to call up one of the people on you contacts to ask for your mobile number?
Oh yeah!!! I didn't stop there, I addressed that person as 'loosu' (an idiot in tamil) and then asked for it =)).
I don't have a bad memory, but certain things just blank out all of a sudden. Temporal Black-Outs, You still remember it but just don't recollect it at the spur of the moment. Just like Writers Block, this is Flow of Thought block. Me messing around patterns seemlessly is quite prevalent, and now this too #-o.