Yep. I know a problem is interesting if I reach for the pencil and paper. It's been on my desk today, which is good. My PhD supervisor got me into writing with

Yep. I know a problem is interesting if I reach for the pencil and paper. It's been on my desk today, which is good. My PhD supervisor got me into writing with pencil and paper. I wrote near enough my entire thesis that way. It was only transcribed to computer for typesetting after it had been proofread at least once.