It's gross to like watching people take dumps.
Jake is in a very crowded rest area and there are no doors on the stalls.
Jake wants to use the toilet ASAP.
Jake looks at his phone and controls himself until a stall becomes available, and relieves himself.
Jake stares intently at the person sitting ahead of him on the toilet, forcing him to vacate the toilet mid-dump.
Jake walks out feeling a lot better and heads on his way.
Jake is harassed by other people in the room for being a weirdo.