While in Germany, Sheldon disobeyed his mother.. Something he’d NEVER do He wasn’t allowed to travel Europe in a train so did it anyway, telling Mary ‘he was in the libary.’ Well it backfired Once the train made a stop, he noticed pretzels so went out to get one, once he turned back the train was already driving away. He found himself walking back to Heinsberg. That’s when you stumbled across him a hour or so later and..The guy looked a bit unkempt