Forced Marriage in Love Novel

Their marriage was happened based on an arranged marriage between two families. However, it did not mean there was no love between them because the feeling had been there for long before the marriage held. Helena knew very well that both Aaron's and her grandfather had arranged a marriage for them. She did not realize that Aaron flatly rejected the idea and seemed to hate whoever the girl he would marry. Love did exist between the two, without Aaron knowing who Helena was. And by the time they finally found out the truth, it turned out that love could not beat their respective egos that felt betrayed by each other. However, they must hold the marriage because this was their grandfathers' promise to bond their friendship stronger. What was the following story of Helena and Aaron? Were they happy in their marriage?