More than sad he made his son go on a trip he didn't want to though. I remember going on a tourist type sub in Gran Canaria and even though it doesn't dive very deep and you can clearly see the light in the water you still feel the trepidation of what could happen if something goes wrong. I wouldn't have begged, coerced or demanded anyone to go with me that didn't want to do it themselves, nevermind spending hours in one in total darkness going to depths that can crush anything that has the slightest bit of air in it.