I'm sorry, I'm not very familiar with this specific 'the good son teleserye' story. You can try to find more information on some drama review websites or official channels.
Without having watched the 'a love to last teleserye story', it's hard to say exactly who the main characters are. But in most teleseryes, there are protagonists who face challenges in their relationship and other supporting characters like friends or family members who play important roles in the story.
In the 'bridges of love teleserye', the key elements would include the character development of the main protagonists. Their growth from being individuals with their own flaws and dreams to becoming people who are ready to fight for their love. Another element could be the setting. The place where the story is set might have an impact on the story, for example, if it's a small town, the community's values and attitudes could shape the characters' actions. Also, the conflicts in the story, such as jealousy, career choices conflicting with love, and secrets between the characters are all elements that make up the full story.
As I'm not aware of this particular teleserye story, I'm unable to name the main characters. You might want to refer to official sources or fans of the show.
Responsibility is key. A good son will be responsible for his family. He may help with financial matters if the family is in need, like in the case where he gets a job early to support his family. Also, he will take on household chores without being asked. He might cook, clean, or do other tasks to make life easier for his family members. He will also be there for his family during difficult times, whether it's an emotional crisis or a practical problem. A good son is someone the family can rely on.