Once Hugo was used to the motion of the boat and feeling at home, he did not stay inside. There were always dolphins and birds to watch and wind to blow in his face and places to explore!
Even underway, he was in and out the door, testing the humans all the time. If someone went to the bow, he followed. He felt the need to help dock and if no one was looking he would sneak down the side, past the 'danger' area where there is no edge to keep him safe, down the steps, into the cockpit and out on the swimgrid.
It was a constant job, keeping him in sight! Hugo needs a lifejacket.