Vetri often found himself in the role of a protector for Thulasi, fighting off antagonists who aimed to ruin her career or reputation. These moments reinforced his romantic commitment to her.

: Charu, Tamil’s ex-fiancée, served as a major antagonist. After witnessing Tamil and Thulasi’s sudden temple marriage, she descended into a vengeful obsession, attempting to separate them throughout the series.

Thendral was a trailblazer. It was one of the first Tamil serials to go viral on the internet, building a dedicated global fan following through forums and online discussions. While the show was a runaway hit, it was not without its criticisms. Some audiences felt that at certain points, the show focused too much on Thulasi's suffering and "mamiar kodumai" (tyranny of the mother-in-law), deviating from its fresh, original format of a love story.

What distinguishes Thendral from other romantic serials is its radical use of sacrifice as a love language. In western romances, love is about "getting the girl." In Thendral , love is about protecting the other’s future , even if it means destroying your own heart.

("TT"): Their relationship is the heart of the show . It begins as a supportive friendship where encourages

Beyond traditional romance, Thendral highly valued platonic relationships. The unconditional friendships that Thulasi and Tamizh maintained outside their marriage provided them with safe havens during their frequent separations. These loyal friends acted as voices of reason, mediators, and emotional anchors, proving that healthy relationships outside of marriage are vital for personal survival. The Antagonists: Disrupting the Harmony

: Charu’s biological mother, who went to extreme lengths to separate , including drugging to make him forget Series Legacy The serial concluded in 2015 with a happy ending, showing

frequently use romantic entanglements and social stigma to create rifts between the main couples.

: Fans fondly referred to the pair as "TT." Their relationship popularized terms of endearment like "Kuttima" and "Kuttipa" in common Tamil lingo.

Thendral has had a significant impact on its audiences, particularly women, who relate to the show's themes of love, family, and relationships. The show's portrayal of strong, independent women and its exploration of complex relationships have resonated with viewers.

Certain family members could not tolerate Thulasi’s progressive nature and financial independence. They continuously laid traps to alienate Tamizh from her.