The first thing his father did when he arrived at the house was to go to the gym they have inside with his son, if his son wanted to show something to the world, then he would be his number one fan and strongest pillar. In these 4 years Siegfried understood his role as a father figure and would not fail. He even thought to give up his hero career to only guide his son in his future, anyway his dream was already fulfilled, now he needs to pass the torch to his descendant.