Life will not be colourful, as you wish it to be. The people in your life will go through different and difficult times which make them do things, which make them behave in a certain. Everyone have their own reasons. But what helps you build a strong relationship is when you understand them and gone with their flow, give them time and also grow your love for them, giving them strength, without showing the ego conflicts.
Huo carried on with his work at the Demon's castle. He did not go in search. He did not gr angry. He did not wish to interrupt anyone's way of work. He just accepted the reality and carried on with his life, waiting for the right moment to interfere.
He and Aqua went through a lot that only taught them variety of lesson, that taught them to grow up, grow strong, and face the world even if it stands against you. Huo and Aqua developed the elite level of relationship in the recent times. And Huo now had highest level of trust and faith in his woman.