Antagonistic:
* Competition: Anton, the genetically perfect brother, is a constant reminder of Vincent's inherent limitations. Their relationship is defined by a silent competition, especially in their pursuit of their shared dream of space travel.
* Jealousy: Vincent feels overshadowed by Anton's natural abilities and the ease with which he achieves success. This breeds envy and resentment.
* Secret: Vincent's deception adds another layer of tension. He hides his true identity from Anton, making their relationship built on a foundation of lies.
Ambiguous:
* Family Ties: Despite the rivalry, there's a sense of familial bond between them. They share the same childhood, memories, and aspirations.
* Respect: There's an underlying respect between them, particularly in their shared passion for space travel. Anton acknowledges Vincent's determination and perseverance, even if he doesn't always understand it.
* Ultimately, Anton represents the 'ideal' that Vincent strives to be. He is a constant reminder of what Vincent could have been if he were born differently.
Key Moments:
* Swimming Race: The early childhood swimming race highlights the stark contrast between their abilities and sets the stage for their future rivalry.
* The 'Borrowed' Identity: Vincent takes over Anton's identity to achieve his dream, creating a complex moral dilemma.
* The Heart Attack: Anton's heart attack, ironically caused by a genetic flaw, creates a moment of empathy and shared vulnerability.
Overall:
The relationship between Anton and Vincent is a dynamic portrayal of ambition, social pressure, and the desire for recognition. It's a complex mix of rivalry, jealousy, and the underlying struggles of a family trying to navigate the challenges of a genetically divided society.