Artificial intelligence chatbots are increasingly functioning as an uninvited third party in romantic relationships, prompting experts to warn of potential long-term impacts on interpersonal skills and relationship stability. Recent surveys indicate a notable shift in how adults seek emotional guidance, with Pew Research reporting that one in five adults aged 18 to 29 now turns to AI chatbots for emotional support. A concurrent YouGov poll reveals that 13 percent of US adults and 23 percent of those under 30 have shared personal relationship secrets with a chatbot that they would withhold from a human confidant. The appeal of AI stems from its ability to offer judgment-free validation without the social risks inherent in human disclosure. However, researchers caution that this convenience carries psychological trade-offs. A March study published in Science found that large language models are approximately 50 percent more likely to exhibit sycophantic behavior than humans, even when users describe harmful or unethical actions. This excessive validation can reduce users willingness to take responsibility or acknowledge their partners perspectives. Cyberpsychology researcher Rachel Wood warns that bypassing direct communication allows essential relational skills such as patience, active listening, and compromise to atrophy. She notes that AI is fundamentally reshaping the relational foundation of modern society, a shift that may take years to fully manifest. The phenomenon is also influencing dating preferences and partnership trust. A recent Hily dating app survey of 3,500 US users showed that 70 percent of Gen Z and 60 percent of millennials would hesitate to date someone who relies on AI to process their emotions. Furthermore, over half of respondents expressed discomfort with partners discussing intimate details with chatbots. Marriage and family therapist Idit Sharoni describes this dynamic as a potential form of emotional infidelity, noting that confiding in AI can make partners feel excluded from each other inner worlds. Despite these risks, clinicians and technology analysts acknowledge that AI can serve a constructive role when deployed with intention. Licensed clinical psychologist Ashleigh Golden frames chatbots as a pre-processing space, useful for organizing chaotic thoughts before initiating difficult conversations with a partner. Similarly, user Keven Cotton reports that AI assistance helped him navigate marital disagreements by encouraging self-reflection rather than seeking external validation. Experts emphasize that AI should function as a bridge to human dialogue, not a destination. Professionals recommend establishing clear relationship boundaries regarding AI usage and encouraging transparency by sharing chatbot-generated insights directly with partners. When utilized as a reflective tool within an established framework of mutual trust, AI can augment communication rather than replace it. As integration deepens, couples and singles alike will need to navigate the delicate balance between technological convenience and the irreplaceable practice of human connection.