What initially caused the dissension between the two brothers?

The initial dissension between the two brothers stemmed from a combination of jealousy and competition, often exacerbated by differing values and priorities. One brother may have felt overshadowed by the other's achievements or received favoritism from their parents, leading to resentment. Additionally, conflicting ambitions or lifestyle choices could have further strained their relationship, making it difficult for them to find common ground. Ultimately, these factors fueled a growing rift between them.