# S4-Relationships and Identity

By [Big Bang Theory Fans](https://dylit.info/user/bigbangtheoryfans)

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Episode 2: The Cruciferous Vegetable Amplification After calculating that he may not live long enough to see a technological “upload-your-mind” future, Sheldon tries to extend his lifespan with a strict new diet and exercise plan. When that fails, he builds a mobile telepresence robot so he can avoid all physical risk while still interacting with the world.