In some stories, the antagonist decides to steal the protagonist's Love Interest from them. Their motivations boil down to either spite or a desire to live a luxurious life for themselves while rubbing it on the protagonist's face. This is common in stories featuring Hikari or Midoriko as protagonists. Therefore, this warrants Trouble Busters a Relationship Sabotage subpage.
- "Coworker stole my boyfriend and had the audacity to invite me to their wedding but..."
Andrea steals Melanie's boyfriend, Carter, and told her she was pregnant with his baby. Carter himself confirmed it to her and told her he was going to marry Andrea for his own safety. Moreover, she went as far as inviting Melanie to their wedding under threats of telling everyone the latter went hysterical over it to twist the knife even further. - "Coworker tells me she is pregnant with my husband's child... who is dead...": Natalie stole Mary's husband Aaron because he was a successful, famous novelist and claimed to be pregnant with his child. Moreover, she also did this to get back at Mary for being "stuck-up" when in reality she had crippling social anxiety. However, it turns out Aaron passed away from sickness; the man she snatched was a lookalike.
- "A JERK dumped my friend for her younger sister and said she was ugly...": Years after bullying her twin sister Tara for her appearance back in high school while the teachers sided with her and her friend Kendra, Misty flirted with Tara's fiancé, Roger, and stole him, gloating all the way to twist the knife even further. Moreover, Roger himself revealed to her friend Hillary that he only wanted Tara for her family's money.
- "My fiancé was wasted during our wedding, and told everyone he got my younger sister pregnant": Andrea not only stole Hillary's belongings, but also any potential boyfriend she had. It all came to a head when Hillary's fiancé, Clark, revealed his affair right on their wedding day while drunk and both lovebirds mocked Hillary in front of all the guests throwing the wedding into chaos. However, both end up paying dearly after Terry wakes up and exposes Andrea as a frequent client of his bar and Hillary exposes Andrea's affair to her accountant boyfriend, Micheal, while Clark ends up fired from his job for his affair and poor work performance.
- "I was kicked out of my house because my "husband" knocked up someone...": Malena slept with Helen's wealthy husband, Ethan, to spite her and therefore live a luxurious life as a CEO's wife instead of her. However, her celebration is cut short when Helen reveals that she already divorced Ethan. It turns out he wasn't rich; "his" house was actually in Helen's name, he was fired from his job for being a gambling addict and hid it all from Malena while having their affair.
- "My parents favored my sister over me and she turned out to be a devil": While Helen and her fiancé, Alan, visited her parents' house to introduce him, Lina barged in and had her parents convince him to marry her instead of Helen, which he seemingly obliged. However, he reveals to Helen that he's playing along to have Lina exposed as he overhears the conversation she had with Helen in the bathroom.
- "My childhood friend stole my fiancé from me...": Malena not only stole Helen's fiancé, Steve, but also stole her wedding and became pregnant with his child. Moreover, the cheating couple wanted her to only invite their close friends instead of their coworkers and parents to keep the affair a secret. However, Helen punishes the cheaters by inviting the original guests anyway and exposing them to her parents, in-laws, and Malena's parents.
- "My fiancé cheated on me with my sister so I taught them both an unforgettable lesson!": Nancy went out of her way to steal boyfriends from her younger sister, Helen. Moreover, the reason she stole all of Helen's boyfriends was that she excelled at everything else unlike her. However, when Nancy invites her to her wedding, she shows up with her husband, who turned out to be a successful Korean CEO named Lee.
- "My husband cheated on me but it turned out that his lover was lying to him too": Rachel steals Melanie's husband, Aaron, and becomes pregnant with his child. Furthermore, he comes up demanding Melanie divorce him to marry Rachel instead. However, the former calls Aaron's parents over to hold him accountable, and reveals that the latter's baby wasn't Aaron's, but from her former boyfriend, Sean, who quit his job after breaking his leg.
- "Someone convinced my daughter I was having an affair, but who...?" presents a double example: The Jones siblings, Chelsea and Harry, conspired to break up Alan and Jasmine's marriage by making one look like a cheater to the other so that each sibling would marry their corresponding half of the couple. Moreover, Chelsea used her position as a teacher to turn the couple's daughter Sally against Alan to facilitate the divorce. However, Sally eventually caught on and gathered them all to expose the siblings.
- "My sister is after my husbands wealth.." [sic]: While Melanie's husband, Trey, already fell for her older sister, Margot, the latter took advantage of it to seduce him and thus live off his money in the former's place. Two weeks later, the lovebirds announce their relationship and demand Melanie divorce Trey before leaving. However, Melanie teams up with her parents to bring the pair down upon learning that Trey squandered the savings for the kids on Margot's luxuries. When the cheaters return to have Melanie sign the divorce papers and gloat that he's going to amass his 10 million from the success of his new app, her parents show up to cut ties with both of them. Their subsequent gloating is cut when Melanie and her parents drop the bomb by revealing the funding for Trey's app was from her father. Eventually, the lovebirds get sued for damages, compensation, and alimony.
