A Responsive Present, a Shared Past, a Social Other: Teens' Overreliance on Companion AI Chatbots

arXiv:2609.14843 · cs.HC, cs.AI · Submitted 2026-09-13 · Read on arXiv

cs.HC, cs.AI

Submitted: 2026-09-13

Updated: 2026-09-13

Comments: Under Review for CHI 2027

License: http://creativecommons.org/licenses/by-sa/4.0/

The gist: AI companions provide socially engaging interaction through availability, personalization, memory, roleplay, and emotionally responsive language.

Terminology

Abstract

AI companions provide socially engaging interaction through availability, personalization, memory, roleplay, and emotionally responsive language. For teens, these systems may support sensitive self-disclosure, identity exploration, and relationship rehearsal while shaping intimacy expectations, offline relationships, emotional wellbeing, and self-understanding. We analyzed 17,053 verified quotations from 3,930 teen-relevant Reddit posts using thematic analysis. We identified 53 topics across seven thematic groups. Users described AI companions as sources of comfort, recognition, identity exploration, and relationship rehearsal, but also reported problematic attachment, social substitution, emotional dependence, and disruption to academic and social life. Roleplay, memory, perceived reciprocity, unwanted romantic or sexual role drift, privacy concerns, platform changes, and service interruptions shaped users' boundaries and control. Awareness that the AI was artificial did not prevent guilt, obligation, grief, or distress. These findings show that companion-AI safety must address relationships over time through user-controlled memory, privacy, relational boundaries, and healthy disengagement.

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