Victor probably suffers from Narcissistic Personality Disorder.
This disease has an unknown cause. However, the generating factors are usually genetic and environmental.
The person needs to be the center of attention, there for need to show that everything he has is better. Requires constant compliments. May manifest with the behaviors that show others that one is superior, such as expensive material possessions, or an obsession with vanity and appearances.
The NPD causes problems in many areas of life, such as relationships, work, school or financial affairs
The manifestation of the disease can be characterized in two types <u>the oblivious narcissist</u> and <u>the hypervigilant narcissist.
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The first one is unaware of his condition, does not understand people's reaction.
The second is fully aware of his attitudes, but cannot control it.
He called his royal math and science teachers his favorite subjects. There are a lot of ordinary people who love science and math subject because it gives them thrill when solving problems which use plenty of formulas to remember. So the answer in this question is, his favorite subject.
The answer would be : The Sabbath.
Hope this helps !
Photon
C a comparison that uses the words like or as for example Dave Is like a bird adventuring