Individuals change and adapt their behavior according to their social situation (e.g., transitioning from work to home). However, how does this shape shifting of self-presentations and identity translate into various online platforms? This exploratory study utilizes a novel and mixed methodological approach to better understand user behavior across social media platforms. We interviewed 22 participants and employed a Repertory Grid Technique to reveal deeper similarities and differences in behavior across various online platforms. We found that users had a variety of strategies for managing multiple audiences across multiple platforms. Almost all participants actively separated their professional (e.g., LinkedIn) and socially (e.g., Facebook or Instagram) oriented platforms typically by self-censorship of posts rather than utilising audience management tools. Via the Repertory Grid Technique, we revealed a number of more subtle nuances of how participants reflect on how and why they maintain a number of social media identities.